Mathematics, 28.11.2019 03:31 lolweapon

Based on the distribution of the sample, which of the following are correct? (select all that apply.)
a. a z-test is appropriate since the sample standard deviation is given. since the data is almost normal, a t-test is appropriate.
b. a t-test is appropriate since the population standard deviation is given.
c. a z-test is appropriate since the sample size is smaller than 30.
d. a t-test is appropriate since the sample size is smaller than 30.
e. there are 15 degrees of freedom.
f. a t-test is appropriate since the population standard deviation is not known.
g. there are 16 degrees of freedom.

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Based on the distribution of the sample, which of the following are correct? (select all that apply...

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