Homework Answers
Ans :
t stat =7.892632799
Hi Dear,
I have given my 100% to solve your problem.
So, please help me out by just thumbs up.
Thank you, so much
Add Answer to:
How do I write the results of this t-test out in a statsically
way ?
$120,000...
IS THE T-TEST CORRECT FOR THIS DATA? IS THERE A SIGNIFICANT DIFFERENCE? C А в 1...
IS THE T-TEST CORRECT FOR THIS DATA? IS THERE A SIGNIFICANT
DIFFERENCE?
C А в 1 College Degree High School Degree (Only) $120,000 $54,000 $150,000 $35,000 $90,000 $38,000 $115,000 $72,000 $180,000 $28,000 $210,000 $32,000 $125,000 $66,000 $125,000 $68,000 $92,000 $34,000 $130,000 $45,000 $115,000 $72,000 $215,000 $100,000 $100,000 $36,000 $125,000 $82,000 $140,000 $75,000 $85,000 $40,000 $200,000 $30,000 $95,000 $100,000 $115,000 $75,000 $150,000 $50,000 $150,000 $80,000 $95,000 $50,000 $120,000 $32,000 $150,000 $80,000 $100,000 $75,000 $80,000 $65,000 $250,000 $80,000 $100,000 $40,000 $95,000 $120,000...
Stress between males and females *Note: alpha = .001 1 t-Test: Two-Sample Assuming Unequal Variances Female...
Stress between males and females
*Note: alpha = .001
1 t-Test: Two-Sample Assuming Unequal Variances Female Male 4 Mean 5 Variance 6 Observations 7 Hypothesized Mean Difference 3.655737705 3.52857143 1.296174863 1.12236025 70 61 8 df 9 t Stat 10 P(T-t) one-tail 11 t Critical one-tail 12 P(T<-t) two-tail 13 t Critical two-tail 124 0.658596658 0.255687918 3.157259054 0.511375836 3.370720124 Student Survey Data (2 Sample t-test) 1. Test Decision & Basis 2. Interpretation of Test Decision:
Please help me, I wasn't sure which test to use so I did both of them on excel. Please let me know which is correct and answer A-C. I will give the answer a thumbs up if you can get back to me asa...
Please help me, I wasn't sure which test to use so I did both of
them on excel. Please let me know which is correct and answer A-C.
I will give the answer a thumbs up if you can get back to me
asap.
The physicians also believe that people who are obese are more
likely to die earlier than those who are not. Again use the data in
the Framingham sample to test this theory by comparing the mean...
Suppose you want to determine whether there is a significant difference in mean test scores for...
Suppose you want to determine whether there is a significant difference in mean test scores for females and males. The test is out of 600 points. Using the following hypotheses: Ho: U1 - U2 = 0 HA: U1 - U2 (not equal) 0 And alpha of 0.05 you obtain the following results t-test Two-sample assuming unequal variances Females Males Mean 525 487 Variance 3530.8 2677.818182 Observations 16 12 Hypothesized Mean Difference 0 df 25 t stat 1.803753 P (T<=t) one...
t-Test: Two-Sample Assuming Equal Variances Variable 1 Variable 2 Mean 12.89795918 17.66666667 Variance 161.2185374 567.8266667 Observations...
t-Test: Two-Sample Assuming Equal Variances Variable 1 Variable 2 Mean 12.89795918 17.66666667 Variance 161.2185374 567.8266667 Observations 49 51 Pooled Variance 368.6716646 Hypothesized Mean Difference 0 Df 98 t Stat -1.241549191 P(T<=t) one-tail 0.108683158 t Critical one-tail 1.660551217 P(T<=t) two-tail 0.217366316 t Critical two-tail 1.984467455 Is there a significant difference between the two sample means? If you answer, “yes,” what is your reasoning? If you answer, “no,” what is your reasoning? Please state the conclusion, or your interpretation of the results in terms...
t-test: two-sample assuming equal variances Subject ID Height Mean 9.9 68.85 Variance 39.0421053 35.0815789 Observations 20...
t-test: two-sample assuming equal variances Subject ID Height Mean 9.9 68.85 Variance 39.0421053 35.0815789 Observations 20 20 Pooled Variance 37.0618421 Hypothesized Mean Difference 0 df 38 t Stat -30.621066 P(T<=t) one-tail 1.0856E-28 t Critical one-tail 1.68595446 P(T<=t) two-tail 2.1711E-28 t Critical two-tail 2.02439416 From your results, please report the following: Variable 1 Mean: Variable 2 Mean: Two-tailed p-value: Is your p-value significant? (alpha=0.05) If your results are significant/not significant, what can you conclude from your data? (i.e. is there a...
A researcher wanted to see if students will learn more effectively with a constant background sound,...
A researcher wanted to see if students will learn more effectively with a constant background sound, as opposed to an unpredictable sound or no sound at all. She randomly divides twenty-four students into three groups of eight. All students study a passage of text for 30 minutes. Those in group 1 study with background sound at a constant volume in the background. Those in group 2 study with noise that changes volume periodically. Those in group 3 study with no...
A movie theater company wants to see if there is a difference in the average price...
A movie theater company wants to see if there is a difference in the average price of movie tickets in Memphis and Minneapolis. They sample 25 ticket stubs from Memphis and 20 from Minneapolis. Test the claim using a 10% level of significance. Assume the population variances are unequal and that movie ticket prices are normally distributed. Give answer to at least 4 decimal places. Minneapolis Memphis 8 9 10 12 9 13 10 11 10 10 10 11 9...
QUESTION 3)What is the critical value of the test statistic to test the mean child mortality...
QUESTION 3)What is the critical value of the
test statistic to test the mean child mortality rate for countries
in Africa is more than the mean child mortality rate for countries
in South Asia?
0.59
0.299
0.126
2.015
2.35
Case Description
Corporations with international operations need to assess the
risks associated with setting up and maintaining operations in
different regions of the world. Consideration of the risks include
considering such issues as political and economic stability. One
indicator of the...
e. Using Data Analysis in Excel, you obtain the following table. Make a conclusion. Your conclusion...
e. Using Data Analysis in Excel, you obtain the following table. Make a conclusion. Your conclusion should have two parts. 1) Do you reject or fail to reject the null hypothesis based on your decision rule? 2) Answer the question (Is there a difference in the average number of patients being seen in the emergency room between 2015 and 2016?) based on your decision. t-Test: Two-Sample Assuming Unequal Variances 2016 2015 Mean 5693.75 5155.583333 Variance 59352.205 63610.44697 Observations 12 12...
IS THE T-TEST CORRECT FOR THIS DATA? IS THERE A SIGNIFICANT
DIFFERENCE?
C А в 1 College Degree High School Degree (Only) $120,000 $54,000 $150,000 $35,000 $90,000 $38,000 $115,000 $72,000 $180,000 $28,000 $210,000 $32,000 $125,000 $66,000 $125,000 $68,000 $92,000 $34,000 $130,000 $45,000 $115,000 $72,000 $215,000 $100,000 $100,000 $36,000 $125,000 $82,000 $140,000 $75,000 $85,000 $40,000 $200,000 $30,000 $95,000 $100,000 $115,000 $75,000 $150,000 $50,000 $150,000 $80,000 $95,000 $50,000 $120,000 $32,000 $150,000 $80,000 $100,000 $75,000 $80,000 $65,000 $250,000 $80,000 $100,000 $40,000 $95,000 $120,000...
Stress between males and females
*Note: alpha = .001
1 t-Test: Two-Sample Assuming Unequal Variances Female Male 4 Mean 5 Variance 6 Observations 7 Hypothesized Mean Difference 3.655737705 3.52857143 1.296174863 1.12236025 70 61 8 df 9 t Stat 10 P(T-t) one-tail 11 t Critical one-tail 12 P(T<-t) two-tail 13 t Critical two-tail 124 0.658596658 0.255687918 3.157259054 0.511375836 3.370720124 Student Survey Data (2 Sample t-test) 1. Test Decision & Basis 2. Interpretation of Test Decision:
Please help me, I wasn't sure which test to use so I did both of
them on excel. Please let me know which is correct and answer A-C.
I will give the answer a thumbs up if you can get back to me
asap.
The physicians also believe that people who are obese are more
likely to die earlier than those who are not. Again use the data in
the Framingham sample to test this theory by comparing the mean...
A researcher wanted to see if students will learn more effectively with a constant background sound, as opposed to an unpredictable sound or no sound at all. She randomly divides twenty-four students into three groups of eight. All students study a passage of text for 30 minutes. Those in group 1 study with background sound at a constant volume in the background. Those in group 2 study with noise that changes volume periodically. Those in group 3 study with no...
A movie theater company wants to see if there is a difference in the average price of movie tickets in Memphis and Minneapolis. They sample 25 ticket stubs from Memphis and 20 from Minneapolis. Test the claim using a 10% level of significance. Assume the population variances are unequal and that movie ticket prices are normally distributed. Give answer to at least 4 decimal places. Minneapolis Memphis 8 9 10 12 9 13 10 11 10 10 10 11 9...
QUESTION 3)What is the critical value of the
test statistic to test the mean child mortality rate for countries
in Africa is more than the mean child mortality rate for countries
in South Asia?
0.59
0.299
0.126
2.015
2.35
Case Description
Corporations with international operations need to assess the
risks associated with setting up and maintaining operations in
different regions of the world. Consideration of the risks include
considering such issues as political and economic stability. One
indicator of the...
Most questions answered within 3 hours.
-
If Mark is unable to see objects clearly when they are placed
beyond 0.5m away, (a)...
asked 5 minutes ago -
Where there is no course of performance, usage of trade, or
course of dealing, and where...
asked 6 minutes ago -
On January 1, 2017, Nicks Corporation issued $250 million of
floating-rate debt. The debt carries a...
asked 7 minutes ago -
A piece of charcoal (essentially 100% carbon) from an
archaeological site in Egypt is subjected to...
asked 21 minutes ago -
7) A) Balance the following reaction:
__H2SO4 + __NaOH __Na2SO4 + __H2O
b) Classify the...
asked 24 minutes ago -
Planets X, Y, and Z have circular orbits around a Star, which is
similar to our...
asked 33 minutes ago -
Use case analysis is used to ____
a) communicate system requirements
b) implement the system
c)...
asked 30 minutes ago -
What is the equilibrium constant for the reaction below, given
the listed concentrations at equilibrium? Report...
asked 33 minutes ago -
The following account appears in the ledger prior to recognizing
the jobs completed in August:
Work...
asked 35 minutes ago -
Air contained in a piston-cylinder undergoes two processes in
series. In the first the air expands...
asked 40 minutes ago -
Propose a circuit that has an effective resistance of 6666ohms.
Include drawing.
asked 48 minutes ago -
Starting with a given fatty acid: C22:6 w-3 go through the
process of beta oxidation. begin...
asked 49 minutes ago