A statistically significant difference means that _____ .
a. the population mean is larger than the hypothesized sample value
b. H0 was rejected and H1 accepted
c. H0 was not rejected and H1 was not accepted
d. the alpha level was lower than expected by chance alone
Information; p 167, K, 2
Question 2
You receive a score of 88 on a statistics examination that has a mean of 76 and a sample
standard deviation equal to 8. Your standard score on the test is equal to _____ .
a. +0.0
b. +1.5
c. +1.0
d. -1.5