Imagine you are doing a Related-Samples t-test, and you are on Step Three of the hypothesis test. The sample of difference scores that you calculated is -2, -4, -3, +1. What is the correct t-obtained? NOTE: The answer options also show many numbers that you calculate as part of the WORK for getting the t-obtained. VERY IMPORTANT HINT: The SS of these difference scores is 14.00. A. MD (mean of D’s) = -2.20 SD (standard deviation of D’s) = 3.35 SMD (standard error) = 1.50 t-obt = -1.47 B. MD (mean of D’s) = -1.17 SD (standard deviation of D’s) = 2.14 SMD (standard error) = 0.87 t-obt = -1.34 C. MD (mean of D’s) = -1.67 SD (standard deviation of D’s) = 3.21 SMD (standard error) = 1.86 t-obt = -0.90 D. MD (mean of D’s) = -2.00 SD (standard deviation of D’s) = 2.16 SMD (standard error) = 1.08 t-obt = -1.85
Imagine you are doing a Related-Samples t-test, and you are on Step Three of the hypothesis test. The sample of difference scores that you calculated is -2, -4, -3, +1. What is the correct t-obtained?
NOTE: The answer options also show many numbers that you calculate as part of the WORK for getting the t-obtained.
VERY IMPORTANT HINT: The SS of these difference scores is 14.00.
A. MD (mean of D’s) = -2.20
SD (standard deviation of D’s) = 3.35
SMD (standard error) = 1.50
t-obt = -1.47
B. MD (mean of D’s) = -1.17
SD (standard deviation of D’s) = 2.14
SMD (standard error) = 0.87
t-obt = -1.34
C. MD (mean of D’s) = -1.67
SD (standard deviation of D’s) = 3.21
SMD (standard error) = 1.86
t-obt = -0.90
D. MD (mean of D’s) = -2.00
SD (standard deviation of D’s) = 2.16
SMD (standard error) = 1.08
t-obt = -1.85
Data given
sample of difference scores that you calculated is -2, -4, -3, +1
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