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Author Question: In order to determine whether or not a special tutoring service improves the scores of students in a ... (Read 122 times)

krabuske

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on: Mar 25, 2023

In order to determine whether or not a special tutoring service improves the scores of students in a Business Statistics examination, a sample of 6 students were given the exam before and after using the tutorial service. The results are shown below.
 

Let d = Score After - Score Before.
 


 

Student

Score Before

Score After

  

A

80

84

  

B

82

86

  

C

75

82

  

D

78

83

  

E

90

95

  

F

85

84

  


At α = 0.10, test to see if the tutorial service actually increased scores on the examination.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by krabuske on Mar 25, 2023

brunoanthony

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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krabuske

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Reply 2 on: Mar 25, 2023
Wow, this really help

ricroger

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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