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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 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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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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
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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