A group of women suffering from various types of fears is given a therapeutic course to learn how to handle their fear. Before the beginning of the course they were asked to answer a questionnaire to measure their fear score. At the end of the course the women answer the questionnaire again as a follow up measure. The fear scores are used to produce the following: Pair 1(before - follow up) Mean Standard deviation It df 2.520 4.417 2.853 24 i. How much lower on average did women score on the fear questionnaire after the course [Hint : al ONone of these 04.417 03.52 02.520 04.52 ii. What is the sample size? ONo enough information O24 O25 O30 O20 iii. If the mean of the follow up score equals 3.52, Find the mean of the before score: 06.04 03.71 08.04 07.23 ONone of these
A group of women suffering from various types of fears is given a therapeutic course to learn how to handle their fear. Before the beginning of the course they were asked to answer a questionnaire to measure their fear score. At the end of the course the women answer the questionnaire again as a follow up measure. The fear scores are used to produce the following: Pair 1(before - follow up) Mean Standard deviation It df 2.520 4.417 2.853 24 i. How much lower on average did women score on the fear questionnaire after the course [Hint : al ONone of these 04.417 03.52 02.520 04.52 ii. What is the sample size? ONo enough information O24 O25 O30 O20 iii. If the mean of the follow up score equals 3.52, Find the mean of the before score: 06.04 03.71 08.04 07.23 ONone of these
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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![A group of women suffering from various types
of fears is given a therapeutic course to learn
how to handle their fear. Before the beginning
of the course they were asked to answer a
questionnaire to measure their fear score. At
the end of the course the women answer the
questionnaire again as a follow up measure.
The fear scores are used to produce the
following:
Pair 1(before - follow up)
Mean Standard deviation
t
df
2.520 4.417
2.853 24
i. How much lower on average did women
score on the fear questionnaire after the
course [Hint : a]
ONone of these
04.417
03.52
O2.520
04.52
ii. What is the sample size?
ONo enough information
024
O25
O30
O20
iii. If the mean of the follow up score equals
3.52, Find the mean of the before score:
06.04
03.71
08.04
07.23
ONone of these](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd704d9b-382e-4d5b-a07a-9baa703bd3d3%2F14e4a47e-fc42-42cc-852f-4e1781338736%2Fvdrylzd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A group of women suffering from various types
of fears is given a therapeutic course to learn
how to handle their fear. Before the beginning
of the course they were asked to answer a
questionnaire to measure their fear score. At
the end of the course the women answer the
questionnaire again as a follow up measure.
The fear scores are used to produce the
following:
Pair 1(before - follow up)
Mean Standard deviation
t
df
2.520 4.417
2.853 24
i. How much lower on average did women
score on the fear questionnaire after the
course [Hint : a]
ONone of these
04.417
03.52
O2.520
04.52
ii. What is the sample size?
ONo enough information
024
O25
O30
O20
iii. If the mean of the follow up score equals
3.52, Find the mean of the before score:
06.04
03.71
08.04
07.23
ONone of these
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