Question Help In a study conducted by some Statistics students, 69 people were randomly assigned to listen to rap music, music by Mozart, or no music while attempting to memorize objects pictured on a page. They were then asked to list all the objects they could remember. The summary statistics for each group are shown in the table. Does it matter whether one listens to rap music while studying, or is it better to study without music at all? Complete parts a and b. Rap 31 Mozart No Mu Count 20 18 Mean SD 12.73 8.77 12.45 3.91 3.66 4.25 a) Test an appropriate hypothesis and state your conclusion. Let group R correspond to rap listeners and group N correspond to those who listened to no music. Write the null and alternative hypotheses. Ho HR-HN H PR - HN <00 (Type integers or decimals. Do not round.) Test the hypothesis. t3D 0.23 (Round to two decimal places as needed.) Find the P-value. P-value= (Round to three decimal places as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.8: The Multiplication Principle
Problem 17E
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In a study conducted by some Statistics students, 69 people were randomly assigned to listen to rap music, music by Mozart, or no music while attempting to memorize objects pictured on a page.
They were then asked to list all the objects they could remember. The summary statistics for each group are shown in the table. Does it matter whether one listens to rap music while studying, or is it
better to study without music at all? Complete parts a and b.
Rap
31
Count
Mean
Mozart
No Musi
18
20
12.73
3.91
8.77
12.45
SD
3.66
4.25
a) Test an appropriate hypothesis and state your conclusion.
Let group R correspond to rap listeners and group N correspond to those who listened to no music. Write the null and alternative hypotheses.
Ho: HR - HN = 0
HA HR - HN <
(Type integers or decimals. Do not round.)
00
Test the hypothesis.
t= 0.23 (Round to two decimal places as needed.)
Find the P-value.
P-value =
(Round to three decimal places as needed.)
Transcribed Image Text:Question Help ▼ In a study conducted by some Statistics students, 69 people were randomly assigned to listen to rap music, music by Mozart, or no music while attempting to memorize objects pictured on a page. They were then asked to list all the objects they could remember. The summary statistics for each group are shown in the table. Does it matter whether one listens to rap music while studying, or is it better to study without music at all? Complete parts a and b. Rap 31 Count Mean Mozart No Musi 18 20 12.73 3.91 8.77 12.45 SD 3.66 4.25 a) Test an appropriate hypothesis and state your conclusion. Let group R correspond to rap listeners and group N correspond to those who listened to no music. Write the null and alternative hypotheses. Ho: HR - HN = 0 HA HR - HN < (Type integers or decimals. Do not round.) 00 Test the hypothesis. t= 0.23 (Round to two decimal places as needed.) Find the P-value. P-value = (Round to three decimal places as needed.)
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