The F-test for the overall regression model does not tell us which of the independent variables are statistically significant.
Indicate whether the statement is true or false
Q. 2Rejecting the null hypothesis for interaction in a two-way ANOVA procedure _______________________.
A) indicates the presence of interaction between Factors A and B which interferes with the interpretation of the impact of Factors A and B on the population mean
B) indicates the presence of interaction between Factors A and B which does not interfere with the interpretation of the impact of Factors A and B on the population mean
C) indicates the absence of interaction between Factors A and B which interferes with the interpretation of the impact of Factors A and B on the population mean
D) indicates the absence of interaction between Factors A and B which does not interfere with the interpretation of the impact of Factors A and B on the population mean
Q. 3According to Manhattan Research, 44 of physicians surveyed said they communicate with patients through e-mail. A random sample of 120 physicians was selected. What is the probability that 50 or more from this sample e-mail their patients?
A) 0.4168
B) 0.4830
C) 0.6042
D) 0.6950
Q. 4Because each observation from a sample for the sign test must be assigned a plus or minus sign, this sampling distribution can be said to follow the _____________ probability distribution.
A) Student's t
B) exponential
C) Poisson
D) binomial
Q. 5Gamers are described as people who regularly play video games. A random sample of 80 people was selected and 50 were found to be male. The margin of error for a 95 confidence interval for the proportion based on this sample is ________.
A) 0.0527
B) 0.0618
C) 0.0756
D) 0.1060
Q. 6With two-way ANOVA, the total sum of squares is partitioned into the sum of squares for__________________________
_____.
A) Factor A, Factor B, block, and error
B) Factor A, Factor B, within, and error
C) Factor A, Factor B, interaction, and error
D) Factor A, Factor B, interaction, and between
Quick Reply
