3. Patients who undergo chronic haemodialysis often experience severe anxiety. Videotape of progressive relaxation exercises were shown to one group of patients and neutral videotapes to another group. Then both groups took the State-Trait Anxiety Inventory; a psychiatric kuestionnaire used to measure anxiety. Data set 1 gives the score results for the patients that viewed the relaxation exercises videotapes. DATA SET 1 Score results of patients that viewed relaxation exercises videotapes 19 24 36 46 63 47 38 46 27 43 36 32 35 31 33 37 39 34 37 40 41 21 24 29 39 40 12 17 22 25 28 Use a class width of 6 and the first interval 12-17 to a. construct a frequency distribution b. Find the corresponding relative frequency distribution c. Find the corresponding cumulative frequency distribution d. Find the class midpoints e. construct a relative frequency histogram based on your result from part (b)
3. Patients who undergo chronic haemodialysis often experience severe anxiety. Videotape of progressive relaxation exercises were shown to one group of patients and neutral videotapes to another group. Then both groups took the State-Trait Anxiety Inventory; a psychiatric kuestionnaire used to measure anxiety. Data set 1 gives the score results for the patients that viewed the relaxation exercises videotapes. DATA SET 1 Score results of patients that viewed relaxation exercises videotapes 19 24 36 46 63 47 38 46 27 43 36 32 35 31 33 37 39 34 37 40 41 21 24 29 39 40 12 17 22 25 28 Use a class width of 6 and the first interval 12-17 to a. construct a frequency distribution b. Find the corresponding relative frequency distribution c. Find the corresponding cumulative frequency distribution d. Find the class midpoints e. construct a relative frequency histogram based on your result from part (b)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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Transcribed Image Text:3. Patients who undergo chronic haemodialysis often experience severe anxiety. Videotape of
progressive relaxation exercises were shown to one group of patients and neutral videotapes to
another group. Then both groups took the State-Trait Anxiety Inventory; a psychiatric
huestionnaire used to measure anxiety. Data set 1 gives the score results for the patients that
viewed the relaxation exercises videotapes.
DATA SET 1
Score results of patients that viewed relaxation exercises
videotapes
19 24 36 46 63 47 38 46 27 43 36 32 35 31 33 37
39 34 37 40 41 21 24 29 39 40 12 17 22 25 28
Use a class width of 6 and the first interval 12-17 to
a. construct a frequency distribution
b. Find the corresponding relative frequency distribution
c. Find the corresponding cumulative frequency distribution
d. Find the class midpoints
e. construct a relative frequency histogram based on your result from part (b)
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