A customer services strategy manager for a national wellbeing and fitness company is interested in assessing customer usage of their gyms across 20 sites nationally. Different gym managers have collected and analysed data from each of the sites but the resultant twenty reports showed differing p-values, some sites found a statistical significance between increased opening hours of gyms and usage and others did not. Which of the following would it be useful for her to review?
A. Levels of missing data
B. Confidence intervals
C. Outliers
D. The Null Hypotheses
Answer: B
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In which of the major content areas typically covered in questionnaires and interviews would you expect to obtain the most valid answers from respondents?
a. Facts b. Attitudes c. Behavior d. There is no difference in the validity of answers for the content areas.
Based on the SPSS output given below, which of the following statements is true? (Levels of Infotype were entered in the following order- negative information, positive information, no information.)
A. Approach times for the box containing the negative information animal were not significantly different from those for the box containing the positive information animal. B. Approach times for the box containing the positive information animal were significantly shorter than those for the box containing the control (no information) animal. C. The profile of results was different for boys and girls. D. Approach times for the box containing the negative information animal were significantly longer than those for the box containing the control (no information) animal.
In the formula for calculating the variance, what does the letter n represent?
a. summation b. sample size c. mean score for group d. individual score
Children with physical disabilities often are encouraged to use assistive devices to help them even when they can perform tasks without the devices
Indicate whether the statement is true or false