Which is FALSE about the Pearson correlation coefficient?

Question 39 options:

A value close to -1 indicates a strong negative linear correlation.

A value of -1 indicates a weak negative linear correlation.

A value of 0 indicates no correlation.

A value close to 1 indicates a strong positive linear correlation.

If you wanted to compare the weights of subjects in four different groups to see if any of them are significantly different, what statistical test would you use? (Assume the data are normally distributed and the variances of the 4 groups are equal.)

Question 38 options:

One-Way ANOVA

T-test

Chi-Square test

Regression

Which of the following is true if the result of a hypothesis test isstatisticallysignificant?

Question 37 options:

The confidence level is greater than 95%.

The p-value is greater than alpha.

The conclusion of the hypothesis test is thatHois true.

The conclusion of the hypothesis test is thatHais true.

Which sampling method will help you obtain a representative sample?

Question 36 options:

Random sampling

Biased sampling

Convenience sampling

Volunteer sampling

Which of the following can be a probability?

Question 35 options:

1.2

-0.7

0.3

-1.2