D:-3016

Correct Answer:- Option-B
Question94:-When camying out a large sample test of *H_(0)* : സ്‌ 10. ப ல : **> 10 by using a critical value,
we reject *H_(0)" at level of significance “alpha® when the calculated test statistic is

A:-Less than “z_(alpha)®

B:-Less than "-z_(alpha)®

C:-Greater than "z_(alpha/2)

D:-Greater than ` र (ते|)

Correct Answer:- Option-D
Question95:-If the standard deviation of a set of scores is 7.5, what would the value of the standard deviation become if 5
points were added to every score in the set 7

A:-37.5

8:-12.5

C:-Cannot be determined without further information

D:-Stay the same

Correct Answer:- Option-D
Question96:-The distribution of salaries for most business is known to be skewed to the right or positively skewed. Which of
the following would be the BEST measure to determine the location of the center of the distribution 7

A:-Variance

B:-Median

C:-Mode

D:-Mean

Correct Answer:- Option-B
Question97:-According to a recent survey approximately 25% of all college students work full time (that is, there is 0.25
probal for any given student to work full time). If the random variable X represents the number of students who work
full ime in samples of size 10, what is the expected value of X 7

A:-2.0

B:-2.5

C:-3.0

D:-More information is needed

Correct Answer:- Option-B
Question98:-To determine if a diet supplement is useful for increasing weight, patients are weighed at the start of the
program and at the end of the program. This is an example ग वे)

A:-Test of paired differences

B:-Independent sample

C:-One-sample test for means

D:-Two-sample test for means

Correct Answer:- Option-A
Question99:-Suppose we are testing the difference between two proportions at the 0.05 level of significance. If the
computed Z is -1.07, what is our decision 7

A:-Reject the null hypothesis

B:-Do not reject the null hypothesis

C:-Take a larger sample

D:-Reserve judgement

Correct Answer:- Option-B
Question100:-Using two independent samples, two population means are compared to determine if a difference exists.The
number in the sample is fifteen and the number in the second sample is twelve. How many degrees of freedom are
associated with the critical value 7

2:-24

B:-25

C:-26

D:-27

Correct Answer:- Option-B