Homework Answers
From given that ,
2)
Slope = -8
3)
y hat = 9x - 5
We plug x = 2 we get ,
y hat = 9 * 2 - 5 = 13
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Question Completion Status: Reject Ho. The mean annual tuition and fees appears to be different from...
seconds another w hose Question The mean annual tuition and fees for a sample of 11...
seconds another w hose Question The mean annual tuition and fees for a sample of 11 private college was 38,800 with a standard deviation of 1000 Adoplot shows that is to assume that the population is approximately normal. You wish to test whether the mean tuition and fees for private colleges is different from 34700 State a conclusion regarding Ho Use the a=0.10 level of significance Do not reject Ho. There is insufficient evidence to conclude that the mean annual...
Question 2 (1 point) The mean annual tuition and fees for a sample of 7 private...
Question 2 (1 point) The mean annual tuition and fees for a sample of 7 private colleges was $28,179 with a standard deviation of $4,546. A dotplot shows that it is reasonable to assume that the population is approximately normal. A researcher wants to test to see if the mean tuition and fees for private institutions differs from $30,000. Compute the value of the test. Write down your P-value. You will need it for the next question. Write only a...
The mean annual tuition and fees in a particular academic year for a sample of 23...
The mean annual tuition and fees in a particular academic year for a sample of 23 private colleges in Oklahoma was $37,553 with a standard deviation of $7,341. Assuming that the population is approximately normal, can we conclude with a significance level of α = 0.05 that the mean tuition and fees for private institutions in Oklahoma is $36,000? a.) State the null and alternative hypothesis using correct symbolic form. (Do not use commas in your answers) H0: Answerρμσ Answer=≠<>...
The mean annual tuition and fees in the 2013-2014 academic year for a sample of 24...
The mean annual tuition and fees in the 2013-2014 academic year for a sample of 24 private colleges in California was $37,000 with a standard deviation of $7800. A dot plot shows that it is reasonable to assume that the population is approximately normal. Can you conclude that the mean tuition and fees for private institutions in California is greater than $35,000? Use the α=0.10 level of significance and P-value method with the Critical Values for the Student's t Distribution...
please show work ive attatched the answers l T-Mobile LTE 11:23 AM ร 49%! × HW10-CHAP 8 N 9 STA 250.pdf 2 of 5 SH...
please show work ive attatched the answers
l T-Mobile LTE 11:23 AM ร 49%! × HW10-CHAP 8 N 9 STA 250.pdf 2 of 5 SHORT ANSWER. Write the word er phrase that best completes each statenest or answers the question S A sample of 36 students anroill in a program that claims to impeove scoees on the quantitative reasoning portion of the Graduate Record Examination (GRE). The participants take a mock GRE test before the program begins and again at...
Question Completion Status: (800 - 1000) = (1.96379.06, +30 1.33333 points Save Answer QUESTION 4 A...
Question Completion Status: (800 - 1000) = (1.96379.06, +30 1.33333 points Save Answer QUESTION 4 A researcher is comparing the amount of calories in two different lunch special pizzas: Hawaiian and pepperoni. Random samples of 30 Hawaiian and 30 pepperoni are taken. The mean amount of calories in the Hawaiian pizza was 800 calories and the mean amount of calories in the pepperoni pizza was 1000. Assume that the standard deviations for the two populations are 50 and 100 calories,...
Kelang e. 2 IUUIS, J9 Ulules, 15 Selurus. Question Completion Status: QUESTION 6 4 points Save...
Kelang e. 2 IUUIS, J9 Ulules, 15 Selurus. Question Completion Status: QUESTION 6 4 points Save Answer For which of the following scenarios would an Analysis of Variance (ANOVA) be appropriate? Determining if the distribution of party affiliation (Democrat, Republican, Independent) has changed since the last election Determining if the proportion of the population that are left handed is more than 10% Determining whether Income Level (Low, Middle, High) and Credit Score (Poor, Fair, Good, Excellent) are independent Determining if...
Question Completion Status QUESTION 4 Anova: Single Factor SUMMARY Groups Count Sum Average Variance A 4...
Question Completion Status QUESTION 4 Anova: Single Factor SUMMARY Groups Count Sum Average Variance A 4 108 27 32.66666667 B 4 96 24 13.33333333 4 120 30 56 ANOVA Source of Variation SS df F crit MS P-value F Treatments 72 36 1.058823529 0.386396621 4.256494729 Error 306 9 34 Total 378 11 Based on the Results above of Single Factor ANOVA: the MSTR O 36 O 378 O 72 O 34 Click Save and Submit to save and submit. Chick...
Question Completion Status: QUESTION 2 The Null Hypothesis (HO): O The two categorical variables are independent...
Question Completion Status: QUESTION 2 The Null Hypothesis (HO): O The two categorical variables are independent Op1 = P2 = ... = Pg, where g = 4 Homogeneity of distribution of a categorical response Goodness-of-fit test QUESTION 3 Significance level: a = a=0.05 Which test statistic would we use for the test? X-MO 2 = P - Po po(1-P) F = t= MSG MSE x-1 (0-1) E s/n (a) 72 (b) (c) (d) O 1.a O2.b O3.c 04.0 QUESTION 4...
seconds another w hose Question The mean annual tuition and fees for a sample of 11 private college was 38,800 with a standard deviation of 1000 Adoplot shows that is to assume that the population is approximately normal. You wish to test whether the mean tuition and fees for private colleges is different from 34700 State a conclusion regarding Ho Use the a=0.10 level of significance Do not reject Ho. There is insufficient evidence to conclude that the mean annual...
Question 2 (1 point) The mean annual tuition and fees for a sample of 7 private colleges was $28,179 with a standard deviation of $4,546. A dotplot shows that it is reasonable to assume that the population is approximately normal. A researcher wants to test to see if the mean tuition and fees for private institutions differs from $30,000. Compute the value of the test. Write down your P-value. You will need it for the next question. Write only a...
please show work ive attatched the answers
l T-Mobile LTE 11:23 AM ร 49%! × HW10-CHAP 8 N 9 STA 250.pdf 2 of 5 SHORT ANSWER. Write the word er phrase that best completes each statenest or answers the question S A sample of 36 students anroill in a program that claims to impeove scoees on the quantitative reasoning portion of the Graduate Record Examination (GRE). The participants take a mock GRE test before the program begins and again at...
Question Completion Status: (800 - 1000) = (1.96379.06, +30 1.33333 points Save Answer QUESTION 4 A researcher is comparing the amount of calories in two different lunch special pizzas: Hawaiian and pepperoni. Random samples of 30 Hawaiian and 30 pepperoni are taken. The mean amount of calories in the Hawaiian pizza was 800 calories and the mean amount of calories in the pepperoni pizza was 1000. Assume that the standard deviations for the two populations are 50 and 100 calories,...
Kelang e. 2 IUUIS, J9 Ulules, 15 Selurus. Question Completion Status: QUESTION 6 4 points Save Answer For which of the following scenarios would an Analysis of Variance (ANOVA) be appropriate? Determining if the distribution of party affiliation (Democrat, Republican, Independent) has changed since the last election Determining if the proportion of the population that are left handed is more than 10% Determining whether Income Level (Low, Middle, High) and Credit Score (Poor, Fair, Good, Excellent) are independent Determining if...
Question Completion Status QUESTION 4 Anova: Single Factor SUMMARY Groups Count Sum Average Variance A 4 108 27 32.66666667 B 4 96 24 13.33333333 4 120 30 56 ANOVA Source of Variation SS df F crit MS P-value F Treatments 72 36 1.058823529 0.386396621 4.256494729 Error 306 9 34 Total 378 11 Based on the Results above of Single Factor ANOVA: the MSTR O 36 O 378 O 72 O 34 Click Save and Submit to save and submit. Chick...
Question Completion Status: QUESTION 2 The Null Hypothesis (HO): O The two categorical variables are independent Op1 = P2 = ... = Pg, where g = 4 Homogeneity of distribution of a categorical response Goodness-of-fit test QUESTION 3 Significance level: a = a=0.05 Which test statistic would we use for the test? X-MO 2 = P - Po po(1-P) F = t= MSG MSE x-1 (0-1) E s/n (a) 72 (b) (c) (d) O 1.a O2.b O3.c 04.0 QUESTION 4...
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