5. State the possible hypotheses and make an interpretation as well as a conclusion based on the data belov Pre test Post test Мean 30.41667 36.7 Variance 31.90152 49.29545 Observations 12 12 Pearson Correlation 0.777711 Hypothesized Mean Difference df 11 t Stat -4.96635 P(T<=t) one-tail 0.000212

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Question
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5. State the possible hypotheses and make an interpretation as well as a conclusion based on the data below.
Pre test Post test
Mean
30.41667
36.75
Variance
31.90152 49.29545
Observations
12
12
Pearson Correlation
0.777711
Hypothesized Mean Difference
df
11
t Stat
-4.96635
P(T<=t) one-tail
0.000212
t Critical one-tail
1.795885
P(T<=t) two-tail
t Critical two-tail
0.000425
2.200985
Transcribed Image Text:5. State the possible hypotheses and make an interpretation as well as a conclusion based on the data below. Pre test Post test Mean 30.41667 36.75 Variance 31.90152 49.29545 Observations 12 12 Pearson Correlation 0.777711 Hypothesized Mean Difference df 11 t Stat -4.96635 P(T<=t) one-tail 0.000212 t Critical one-tail 1.795885 P(T<=t) two-tail t Critical two-tail 0.000425 2.200985
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