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 [Hìnt: a] 02.520 03.52 04.52 04.417 ONone of these

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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
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
02.520
03.52
04.52
04.417
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 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 02.520 03.52 04.52 04.417 ONone of these
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