When the degrees of freedom are small (low), larger t-ratios are required to reject null."
True
False
When the degrees of freedom are small (low), larger t-ratios are required to reject null." True...
Hello i need help answering these questions thank you.
"When the degrees of freedom are small(low), larger t-ratios are required to reject null." O True False QUESTION 12 Always, if Beta = 0.12, Power = 0.88. True False QUESTION 13 "When events are mutually exclusive, P (A and B) = 0." True False QUESTION 14 "If the same experimental subjects are given each of the two treatments, the experiment has a(n):" single sample design. independent subjects design one tail test...
Hello i need help answering these questions thank you.
"When the degrees of freedom are small(low), larger t-ratios are required to reject null." O True False QUESTION 12 Always, if Beta = 0.12, Power = 0.88. True False QUESTION 13 "When events are mutually exclusive, P (A and B) = 0." True False QUESTION 14 "If the same experimental subjects are given each of the two treatments, the experiment has a(n):" single sample design. independent subjects design one tail test...
Which of the following is true of the degrees of freedom, k, if you find them by taking the smaller of n1 and n2 1 when n1 n2? O A when you use this estmate for k. youre less lkely to reject a talse nuli hypothesis OB. This method for estimating kgives a relatively high power of the test O C. This is the same statistic you'd get if you used software to calculate degrees of freedom. O D. It's...
Power is the probability of O A. Failing to reject the null when the null is true B. Rejecting the null when the null is false ° C. Failing to reject the null when the null is false OD. Rejecting the null when the null is true
True/false With infinite degrees of freedom the t distribution is identical in shape to the unit normal z distribution.
8. Degrees of freedom for chi-squared tests are determined by sample size. True or False 7. If a correlation between two variables is negative, that means there is no linear relationship between them. True or False 2. For a chi-square test, if the observed number of cases in your sample fits what you expect given your knowledge of the population, you would reject the null hypothesis. True or False 1. A two-tailed hypothesis will have more statistical power than a...
true or false? the total area under a t-distribution curve with 5 degrees of freedom is 1
The shape of which distribution is not controlled by the degrees of freedom? F t Which of the following accurately represents characteristics of the x2 distribution? There may be more than one correct answer, select all that are correct. The degrees of freedom for a Chi-square test of independence are k-1. As the degrees of freedom increase, the critical value of the chi-square distribution becomes larger. | It can assume both negative and positive values. The Chi-square goodness-of-fit test is...
9. For each of the following calculated t-values and sample sizes, indicate the degrees of freedom and whether you should reject or not reject the null hypothesis (if you reject Ho, indicate whether it is at the .05 or .01 significance level). Conduct each of these t-tests using a two-tailed hypothesis. a. t = +2.18 ni = 5 n2 = 5 b. t= -2.05 n1 = 12 n2 = 10 c. t = -2.18 n = 15 n2 = 15...
1) The t-distribution converges to the standard normal distribution as degrees of freedom increase. True or False? 2) What do we call the hypothesis that is accepted by default unless the contradictory evidence in overwhelmingly convincing?