Do one of the following, as appropriate. (a) Find the critical value z/2, (b) fi

ID: 3156411 • Letter: D

Question

Do one of the following, as appropriate. (a) Find the critical value

z/2,

(b) find the critical value

t/2,

98%;

n=16;

is unknown;

population appears to be normally distributed. Click here to view a table of critical t-values.

Click here to view page 1 of the standard normal table.

Click here to view page 2 of the standard normal table.

Find the critical value.

A. z/2 = 2.055

B. t/2=2.602

C. t/2 =2.249

D. z/2=2.33

E. Neither normal nor t distribution applies.

signo is unkown so this is t distribution

alpha / 2 = 0.01 and df = 15

so critical values are +/- 2.605

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