For the following set of data from two independent samples, conduct an independent samples t test (by hand or using SPSS) to determine if the mean scores for each sample are significantly different. Sample 1: 5, 7, 4, 7, 2, 6, 7, 3, 4, 5 Sample 2: 3, 4, 3, 4, 3, 3, 3, 4, 5, 4, 3
For the following set of data from two independent samples, conduct an independent samples t test (by hand or using SPSS) to determine if the mean scores for each sample are significantly different. Sample 1: 5, 7, 4, 7, 2, 6, 7, 3, 4, 5 Sample 2: 3, 4, 3, 4, 3, 3, 3, 4, 5, 4, 3
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Question
For the following set of data from two independent samples, conduct an independent samples t test (by hand or using SPSS) to determine if the
Sample 1: 5, 7, 4, 7, 2, 6, 7, 3, 4, 5
Sample 2: 3, 4, 3, 4, 3, 3, 3, 4, 5, 4, 3
Expert Solution
Step 1
The hypotheses are given below:
Step 2
Step-by-step procedure to obtain the mean and standard deviation using MINITAB software:
- Choose Stat > Basic Statistics > Display Descriptive Statistics.
- In Variables enter the columns 8-10 year, 11 and 14 year.
- Choose option statistics, and select Mean and standard deviation.
- Click OK.
Output obtained using MINITAB software is given below:
Step 3
The degrees of freedom is,
Step 4
Step-by-step procedure to obtain the critical value using MINITAB software:
- Choose Graph > Probability Distribution Plot choose View Probability > OK.
- From Distribution, choose ‘t’ distribution.
- In Degrees of freedom, enter 19.
- Click the Shaded Area
- Choose Probability and both Tail for the region of the curve to shade.
- Enter the Probability as 0.05.
- Click OK.
Output obtained using MINITAB software is given below:
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