The glutes are the primary movers in hip extension.

Michael reports to the athletic training room complaining of low back pain that has been gradually getting worse. Your evaluation reveals the following: low back pain centrally to the spine pain radiates down the L posterior thigh increased pain with forward flexion + active straight leg raise test no known mechanism of injury Which of the following is the correct diagnosis based on the information provided?

In a hypothesis test, which of the following can (and should) be determined before collecting data? (check all that apply)

Which of the following could be the reason for positive SIJ provocation testing?

When testing for the significance of the difference between two samples, which is the proper assumption?

What is the one thing that can never be done in hypothesis testing?

Refer to the SPSS output to answer the following questions. Compare the rape rate per 100,000 in those states that have executed a prisoner since 1976 to those that have not. Assume the alternative hypothesis is two-tailed with an alpha of 0.05    Group Statistics   VAR00002 N Mean Std. Deviation Std. Error Mean VAR00001 Executed 32 34.3750 7.31309 1.29278   Not executed 18 33.2167 18.68640 4.40443         Levene’s Test for Equality of Variances     t-test for Equality of Means       F   Sig.   t   df Sig. (2-tailed) Mean Difference Std. Error Difference 95% Confidence Interval of the Difference                   Lower Upper Rate Equal variances assumed   8.867   0.005   .313   48   .756   1.15833   3.70586   -6.29279   8.60946   Equal variances not assumed       .252   19.974   .803   1.15833   4.59024   -8.41753   10.73419   a. What test do you run? b. What are the assumptions of the test? c. What is the value of the degrees of freedom? d. What is your p-value? e. What is your conclusion?  

The maximum distance at which a highway sign can be read is determined for a sample of young people and a sample of older people. The mean distance is computed for each age group. What’s the most appropriate null hypothesis about means of the two groups?

Which hypothesis test should you perform for the following scenario? You want to find out if the mean number of delinquent acts for girls is equal to 5.25. You know from reputable sources that the distribution of delinquent acts is approximately normal in the population. You take a SRS of 100 girls and get a sample mean of 4.08 and a sample standard deviation of 0.8. Based on this information, you should use which test?

Based on the confidence interval (-0.66457, 1.4077) for a 2 sample t-test dependent, would you reject the null hypothesis? Why?