Statistics for the Behavioral Sciences
3rd Edition
ISBN: 9781506386256
Author: Gregory J. Privitera
Publisher: SAGE Publications, Inc
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Chapter 18.7, Problem 4.2LC
To determine
Determine the null hypothesis for the Mann-Whitney U test.
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A two-tailed test is one where:
Select one:
a.
results in only one direction can lead to rejection of the null hypothesis
b.
negative sample means lead to rejection of the null hypothesis
c.
results in either of two directions can lead to rejection of the null hypothesis
d.
no results lead to the rejection of the null hypothesis
An experiment is conducted to test the claim that James Bond can taste the difference between a Martini that is shaken and one that is stirred. What is the null hypothesis?
A sample is selected from a population with a mean of m = 30 and a treatment is administered to the sample. If the treatment is expected to increase scores and a t statistic is used for a one-tailed hypothesis test, then which of the following is the correct null hypothesis?
Chapter 18 Solutions
Statistics for the Behavioral Sciences
Ch. 18.1 - Prob. 1.1LCCh. 18.1 - Prob. 1.2LCCh. 18.1 - Prob. 1.3LCCh. 18.3 - Prob. 2.1LCCh. 18.3 - Prob. 2.2LCCh. 18.3 - Prob. 2.3LCCh. 18.3 - Prob. 2.4LCCh. 18.5 - Prob. 3.1LCCh. 18.5 - Prob. 3.2LCCh. 18.5 - Prob. 3.3LC
Ch. 18.5 - Prob. 3.4LCCh. 18.7 - Prob. 4.1LCCh. 18.7 - Prob. 4.2LCCh. 18.7 - Prob. 4.3LCCh. 18.7 - Prob. 4.4LCCh. 18.9 - Prob. 5.1LCCh. 18.9 - Prob. 5.2LCCh. 18.9 - Prob. 5.3LCCh. 18.11 - Prob. 6.1LCCh. 18.11 - Prob. 6.2LCCh. 18.11 - Prob. 6.3LCCh. 18.11 - Prob. 6.4LCCh. 18 - Prob. 1FPCh. 18 - Prob. 2FPCh. 18 - Prob. 3FPCh. 18 - Prob. 4FPCh. 18 - Prob. 5FPCh. 18 - Prob. 6FPCh. 18 - Prob. 7FPCh. 18 - Prob. 8FPCh. 18 - Prob. 9FPCh. 18 - Prob. 10FPCh. 18 - Prob. 11FPCh. 18 - Prob. 12FPCh. 18 - Prob. 13CAPCh. 18 - Prob. 14CAPCh. 18 - Prob. 15CAPCh. 18 - Prob. 16CAPCh. 18 - Prob. 17CAPCh. 18 - Prob. 18CAPCh. 18 - Prob. 19CAPCh. 18 - Prob. 20CAPCh. 18 - Prob. 21CAPCh. 18 - Prob. 22CAPCh. 18 - Prob. 23CAPCh. 18 - Prob. 24CAPCh. 18 - Prob. 25CAPCh. 18 - Prob. 26CAPCh. 18 - Prob. 27CAPCh. 18 - Prob. 28PRCh. 18 - Prob. 29PRCh. 18 - Prob. 30PRCh. 18 - Prob. 31PRCh. 18 - Prob. 32PR
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- The error of rejecting a true null hypothesis is Select one: O a. a Type Il error O b. is the same as a O c. Non of the above O d.a Type I error gearrow_forwardNielsen reported that young men in the United States watch 56.2 minutes of prime time TV daily. A researcher believes that young men in Germany spend more time watching prime TV. A sample of German young men will be selected by the researcher and the time they spend watching TV in one day will be recorded. The sample results will be used to test the following null and alternative hypothesis. Ho: u<56.2 Ha: u>56.2 a). What it the Type 1 error in this situation? What are the consequences of making this error? b). What is the Tpye 2 error in this situation? What are the consequences of making this error?arrow_forwardBig fish: A sample of 200 flounder of a certain species have sample mean weight 42.5 grams. Scientists want to perform a hypothesis test to determine how strong the evidence is that the mean weight is greater than 41 grams. State the appropriate null and alternate hypotneses. The null hypothesis is H: (Choose one) The alternate hypothesis is 1, (Choose one) A V 4arrow_forward
- In a hypothesis test with a = 0.05 the p-value is calculated to be 0.02. What decision should be made about the null hypothesis? O Reject the Null Hypothesis Fail to reject the Null Hypothesisarrow_forwardA random sample of 100 voters in a community-produced 59 voters in favor of candidate A. The observed value of the test statistic for testing the null hypothesis H0:p=0.5 versus the alternative hypothesis Ha:p≠0.5 is?arrow_forwardLet n=11 and your test value be t= -1.35. Find the p-value for a left-tailed hypothesis test. Find the p-value for a right tailed hypothesis test. Find the p-value for a two-tailed hypothesis test.arrow_forward
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