From Case Study Tumors, which of the following statements best expresses the null hypothesis for this experiment.
Question:
From Case Study Tumors, which of the following statements best expresses the null hypothesis for this experiment. [2 pt; L2; I.A.1]
There is no significant difference in the average tumor mass from the two groups of mice.
There is a significant difference in the average tumor mass from the two groups of mice.
The average tumor mass of Group A mice will be significantly less than that of Group B.
The average tumor mass of Group B mice will be significantly less than that of Group A.
QUESTION 17
From Case Study Tumors, which of the following statements best expresses the alternative hypothesis for this experiment. [2 pt; L2; I.A.1]
The average tumor mass of Group B mice will be significantly less than that of Group A.
The average tumor mass of Group A mice will be significantly less than that of Group B.
There is a significant difference in the average tumor mass from the two groups of mice.
There is no significant difference in the average tumor mass from the two groups of mice.
QUESTION 18
What statistical test is most appropriate for an analysis these data (Case Study _Tumors)? [2 pt; L2; I.A.3]
chi-squared test
t-test, 1-tailed
t-test, 2-tailed
z-score
QUESTION 19
What is the probability of obtaining the numbers posted above under the null hypothesis (Case Study _Tumors)? To receive credit, report the p value correctly rounded to 2 decimal places. [2 pt; L2; I.A.3]
QUESTION 20
Based on the results of the statistical test, do you reject or fail to reject the null hypothesis (Case Study _Tumors)? [2 pt; L2; I.A.3]
fail to reject
reject
2 points
QUESTION 21
Which of the following best expresses the conclusion drawn from Case Study _Tumors? [3 pt; L3; I.A.4]
The drug had no effect on the growth of the tumor.
The drug produces a statistically significant increase in tumor mass.
The drug produces a statistically significant decrease in tumor mass.
The drug does not produce a statistically significant decrease in tumor mass.
Introduction to Governmental and Not for Profit Accounting
ISBN: 978-0132776011
7th edition
Authors: Martin Ives, Terry K. Patton, Suesan R. Patton