t-Test: Two-Sample Assuming Equal Variances Variable 1 Variable 2 Mean 12.89795918 17.66666667 Variance 161.2185374 567.8266667 Observations...
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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 of the null and alternative hypotheses. Your statements should agree with whether you believe a significant difference exists between the sample means.
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t-Test: Two-Sample Assuming Equal Variances
Variable 1
Variable 2
Mean
12.89795918
17.66666667
Variance
161.2185374
567.8266667
Observations...
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Stress between males and females
*Note: alpha = .001
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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.
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Each of the nurses took the blood pressure of each of the
patients and then the results were compared.
Below is the analysis of each researcher.
a) Sets the null and alternating hypothesis to be tested in this
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b) Determines which conclusion each researcher should reach,
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c) Which of the researchers performed the correct analysis
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QUESTION 3)What is the critical value of the
test statistic to test the mean child mortality rate for countries
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Case Description
Corporations with international operations need to assess the
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Suppose you want to determine whether there is a significant difference in mean test scores for...
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Question 17 9 pts Consider a situation where we want to compare means, Mi and M2...
Question 17 9 pts Consider a situation where we want to compare means, Mi and M2 of two populations, Group 1 and Group 2, respectively. A random sample of 40 observations was selected from each of the two populations. The following table shows the two-sample t test results at a = 5% assuming equal population variances: t-Test: Two-Sample Assuming Equal Variances Group 2 28.652 33.460 40 Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T<=t) one-tail t...
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...
Each of the nurses took the blood pressure of each of the
patients and then the results were compared.
Below is the analysis of each researcher.
a) Sets the null and alternating hypothesis to be tested in this
case
b) Determines which conclusion each researcher should reach,
according to its analysis. Explain
c) Which of the researchers performed the correct analysis
2. 3 Arterial pressure #1 #2 Patient Nurse Nurse 1 117 120 105 110 108 110 4 94 98...
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...
How do I write the results of this t-test out in a statsically
way ?
$120,000 $75,000 t-Test: Two-Sample Assuming Unequal Variances Mean College Degree 131233.3333 1795633333 30 High School Degree (Only) 60966.66667 582171264.4 Variance Observations Hypothesized Mean Difference df 46 t Stat P(T<=t) one-tail t Critical one-tail PIT<=t) two-tail t Critical two-tail 7.892632799 2.1299E-10 1.678660414 4.2598E-10 2.012895599
Question 17 9 pts Consider a situation where we want to compare means, Mi and M2 of two populations, Group 1 and Group 2, respectively. A random sample of 40 observations was selected from each of the two populations. The following table shows the two-sample t test results at a = 5% assuming equal population variances: t-Test: Two-Sample Assuming Equal Variances Group 2 28.652 33.460 40 Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T<=t) one-tail t...
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