The correlation coefficient may assume any value between
a. 0 and 1
b. −∞ and ∞
c. 0 and 8
d. −1 and 1
e. −1 and 0
Give this one a try later!
, d. −1 and 1
CH 11 Quiz
In testing the difference between the means of two normally distributed populations
using independent random samples with equal variances, the correct test statistic to
use is the
a. None of the other choices is correct
b. F statistic
c. chi-square statistic
d. z statistic
e. t statistic
Give this one a try later!
e. t statistic
CH 16 Quiz
Which is not the Goodness of fit test in Logistic regression?
a. Minitab regression
b. Deviance
c. Pearson
d. Hosmer-Lemeshow
Give this one a try later!
a. Minitab regression
, Which one of the following is not an assumption about the residuals in a regression
model?
a. constant variance
b. independence
c. normality
d. variance of zero
e. mean of zero
Give this one a try later!
d. variance of zero
CH 16 Quiz
The ________ regression method is used when the response variable is a qualitative or a
categorical variable.
a. multiple
b. quadratic
c. simple
d. logistic
Give this one a try later!
d. logistic
CH 14 Quiz
In a simple linear regression analysis, the correlation coefficient (r) and the slope (b)
________ have the same sign.
a. 0 and 1
b. −∞ and ∞
c. 0 and 8
d. −1 and 1
e. −1 and 0
Give this one a try later!
, d. −1 and 1
CH 11 Quiz
In testing the difference between the means of two normally distributed populations
using independent random samples with equal variances, the correct test statistic to
use is the
a. None of the other choices is correct
b. F statistic
c. chi-square statistic
d. z statistic
e. t statistic
Give this one a try later!
e. t statistic
CH 16 Quiz
Which is not the Goodness of fit test in Logistic regression?
a. Minitab regression
b. Deviance
c. Pearson
d. Hosmer-Lemeshow
Give this one a try later!
a. Minitab regression
, Which one of the following is not an assumption about the residuals in a regression
model?
a. constant variance
b. independence
c. normality
d. variance of zero
e. mean of zero
Give this one a try later!
d. variance of zero
CH 16 Quiz
The ________ regression method is used when the response variable is a qualitative or a
categorical variable.
a. multiple
b. quadratic
c. simple
d. logistic
Give this one a try later!
d. logistic
CH 14 Quiz
In a simple linear regression analysis, the correlation coefficient (r) and the slope (b)
________ have the same sign.
