) Is memory ability before a meal the same as after a meal? Ten people given memory tests before their meal and then again after their meal. The data is shown below. A higher score indicates a better memory ability. Score on the Memory Test Before 86 69 64 66 87 76 85 66 72 65 a Meal After 84 48 70 56 67 58 78 68 62 51 a Meal Assume a Normal distribution. What can be concluded at the a = 0.01 level of significance? a. Choose one: For this study, we should use i. t-test for a population mean. ii. z-test for population proportion. iii. t-test for the difference between two dependent population means iv. t-test for the difference between two independent population means v. Z-test for the difference between two population proportions b. State the null hypothesis. c. State the alternative hypothesis. EG

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
d. What is the test statistic? Show what you have typed in your
calculator.
e. What is the p-value?
f. Choose one: Based on your work, we should.
hypothesis.
the null
i. reject
ii. accept
iii. fail to reject
Transcribed Image Text:d. What is the test statistic? Show what you have typed in your calculator. e. What is the p-value? f. Choose one: Based on your work, we should. hypothesis. the null i. reject ii. accept iii. fail to reject
) Is memory ability before a meal the same as after a meal? Ten people were
given memory tests before their meal and then again after their meal. The data is shown
below. A higher score indicates a better memory ability.
Score on the Memory Test
Before
86 69 64 66 87 76 85 66 72 65
a
Meal
After
84 48 70 56 67 58 78 68 62 51
a
Meal
Assume a Normal distribution. What can be concluded at the a = 0.01 level of
significance?
a. Choose one: For this study, we should use
i. t-test for a population mean.
ii. z-test for population proportion.
iii. t-test for the difference between two dependent population means
iv. t-test for the difference between two independent population
means
v. Z-test for the difference between two population proportions
b. State the null hypothesis.
c. State the alternative hypothesis.
EGE
Transcribed Image Text:) Is memory ability before a meal the same as after a meal? Ten people were given memory tests before their meal and then again after their meal. The data is shown below. A higher score indicates a better memory ability. Score on the Memory Test Before 86 69 64 66 87 76 85 66 72 65 a Meal After 84 48 70 56 67 58 78 68 62 51 a Meal Assume a Normal distribution. What can be concluded at the a = 0.01 level of significance? a. Choose one: For this study, we should use i. t-test for a population mean. ii. z-test for population proportion. iii. t-test for the difference between two dependent population means iv. t-test for the difference between two independent population means v. Z-test for the difference between two population proportions b. State the null hypothesis. c. State the alternative hypothesis. EGE
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