GE 5103 WEEK 9 QUIZ | QUESTIONS AND ANSWERS | 2026 UPDATE | 100% CORRECT.
The correct formula for using the sample standard deviation to estimate the population standard
deviation.
a. has N in the denominator.
b. has (N-1) in the denominator
C. has N2 in the denominator
D. Has N in the numerator - (answer)B
The formula "H0: µ1 = µ2" is used to represent the:
A. alternative hypothesis
B. research hypothesis
C. null hypothesis
standard error - (answer)C
The symbol representing a standard deviation calculated by using a sample to estimate the population
standard deviation is:
A. sd.
B. the Greek letter 'sigma'.
C. s.
D. Std. Dev. - (answer)C
As sample size increases, the t distribution:
A. is unreliable.
B. has a standard deviation of 0.
C. becomes similar to the z distribution.
D. has a standard deviation of 0.50. - (answer)C
The method for calculating s will result in a ________ value as compared to SD.
A. smaller
, GE 5103 WEEK 9 QUIZ | QUESTIONS AND ANSWERS | 2026 UPDATE | 100% CORRECT.
B. larger
C. more negative
D. less accurate - (answer)B
The difference between the denominator of the z test and that of the single sample t test is that:
A. in the z test we divide by the estimated standard error, but in a t test we divide by the actual
standard error.
B. in the z test we divide by the actual population standard error, but in a t test we divide by the
estimated standard error.
C. in the t test we divide by the actual population standard deviation, but in a z test we divide by the
sample standard deviation.
D. in the t test we divide by the sample standard
deviation, but in a z test we divide by the population standard deviation. - (answer)B
If the standard deviation for a population, as estimated from a sample, is s = 5.6, then the standard error
for a sample size of N = 16 is:
A. SM = 1.40.
B. SM = 0.35.
C. SM = 1.45.
D. SM = 0.37. - (answer)A
The t statistic indicates the:
A. number of standard deviations an individual score is from the sample mean.
The correct formula for using the sample standard deviation to estimate the population standard
deviation.
a. has N in the denominator.
b. has (N-1) in the denominator
C. has N2 in the denominator
D. Has N in the numerator - (answer)B
The formula "H0: µ1 = µ2" is used to represent the:
A. alternative hypothesis
B. research hypothesis
C. null hypothesis
standard error - (answer)C
The symbol representing a standard deviation calculated by using a sample to estimate the population
standard deviation is:
A. sd.
B. the Greek letter 'sigma'.
C. s.
D. Std. Dev. - (answer)C
As sample size increases, the t distribution:
A. is unreliable.
B. has a standard deviation of 0.
C. becomes similar to the z distribution.
D. has a standard deviation of 0.50. - (answer)C
The method for calculating s will result in a ________ value as compared to SD.
A. smaller
, GE 5103 WEEK 9 QUIZ | QUESTIONS AND ANSWERS | 2026 UPDATE | 100% CORRECT.
B. larger
C. more negative
D. less accurate - (answer)B
The difference between the denominator of the z test and that of the single sample t test is that:
A. in the z test we divide by the estimated standard error, but in a t test we divide by the actual
standard error.
B. in the z test we divide by the actual population standard error, but in a t test we divide by the
estimated standard error.
C. in the t test we divide by the actual population standard deviation, but in a z test we divide by the
sample standard deviation.
D. in the t test we divide by the sample standard
deviation, but in a z test we divide by the population standard deviation. - (answer)B
If the standard deviation for a population, as estimated from a sample, is s = 5.6, then the standard error
for a sample size of N = 16 is:
A. SM = 1.40.
B. SM = 0.35.
C. SM = 1.45.
D. SM = 0.37. - (answer)A
The t statistic indicates the:
A. number of standard deviations an individual score is from the sample mean.
