Multiple Choice
A researcher asked participants to rate the softness of two well-known brands of tissue paper-Daisy and Flora. Daisy was rated softer than Flora with mean ratings of 5.50 and 3.25 respectively. This difference was statistically significant at the .05 probability level. The null hypothesis for the population suggests that:
A) Daisy is softer than Flora.
B) Flora is softer than Daisy.
C) There is a difference between Daisy and Flora in softness.
D) There is no difference between the softness of Daisy and Flora tissues.
Correct Answer:
Verified
Correct Answer:
Verified
Q30: When examining the strength of the relationship
Q31: _ variance is the deviation of the
Q32: Negative results are problematical because they:<br>A)are difficult
Q33: The likelihood of the occurrence of some
Q34: A researcher was interested in the differences
Q36: When a researcher _ the probability of
Q37: The expected value of t under the
Q38: According to the _ hypothesis, the independent
Q39: The probability of making a Type II
Q40: The null hypothesis:<br>A)is used because it is