After Before Treatment Treatment Participant 9. 00 a6 768 724 553 ABCDEE

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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With the question 7, I don’t understand how to compute SS.
7. The following data are from a repeated-measures
study examining the effect of a treatment by measur-
ing a group of n = 6 participants before and after they
receive the treatment.
a. Calculate the difference scores and M
b. Compute SS, sample variance, and estimated
standard error.
c. Is there a significant treatment effect? Use a = .05,
two tails.
D'
Before
Treatment
After
Treatment
Participant
7
8.
2
C
4
6.
5
7
E
5
6.
F
3
8
8. When you get a surprisingly low price on a product
do you assume that you got a really good deal or that
you bought a low-quality product? Research indicates
that you are more likely to associate low price and low
quality if someone else makes the purchase rather than
yourself (Yan and Sengupta, 2011). In a similar study,
n = 16 participants were asked to rate the quality of
low-priced items under two scenarios: purchased by
a friend or purchased yourself. The results produced
a mean difference of M,
self-purchases rated higher.
a. Is the judged quality of objects significantly differ-
ent for self-purchases than for purchases made by
STA
2.6 and SS
135, with
%3D
Transcribed Image Text:7. The following data are from a repeated-measures study examining the effect of a treatment by measur- ing a group of n = 6 participants before and after they receive the treatment. a. Calculate the difference scores and M b. Compute SS, sample variance, and estimated standard error. c. Is there a significant treatment effect? Use a = .05, two tails. D' Before Treatment After Treatment Participant 7 8. 2 C 4 6. 5 7 E 5 6. F 3 8 8. When you get a surprisingly low price on a product do you assume that you got a really good deal or that you bought a low-quality product? Research indicates that you are more likely to associate low price and low quality if someone else makes the purchase rather than yourself (Yan and Sengupta, 2011). In a similar study, n = 16 participants were asked to rate the quality of low-priced items under two scenarios: purchased by a friend or purchased yourself. The results produced a mean difference of M, self-purchases rated higher. a. Is the judged quality of objects significantly differ- ent for self-purchases than for purchases made by STA 2.6 and SS 135, with %3D
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