page 567 Question 7 5 5 pts In a study a researcher finds that as A increases B

# Page 567 question 7 5 5 pts in a study a researcher

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page 567 Question 7 5 / 5 pts In a study, a researcher finds that as A increases, B also increases. The analysis shows that the strength of the relationship is 0.78. What type of linear relationship is this? negative
inverse positive page 546 Question 8 5 / 5 pts In a research study on number of hours parents spent at children’s sporting events and number of incarcerations that the offspring experienced by age 30, the calculated Pearson’s r was –.95. What does this Pearson’s value signify? As the hours of parents spent at children’s sporting events increased, the number of incarcerations that the offspring experienced by age 30 increased There was no relationship between the number hours of parents spent at children’s sporting events and the number of incarcerations that the offspring experienced by age 30 As the hours of parents spent at children’s sporting events increased, the number of incarcerations that the offspring experienced by age 30 declined page 546 Question 9 5 / 5 pts Which of the following correlation coefficients shows the strongest relationship? .10 .80 –.85 page 546
Question 10 5 / 5 pts Which of the following tests is essentially a comparison of means? Pearson's correlation t- test Chi-square One of the most common parametric analyses used to test for significant differences between group means of two samples is the t- test. In its calculation, the numerator is the difference scores of the means of the two samples. In addition, the test uses the pooled standard deviation of the two samples as the denominator. pages 567-571 Question 11 5 / 5 pts Which statement is true about chi-square analysis? It is used for two nominal variables It has the assumption of a normal distribution It is a parametric test. page 575 Incorrect Question 12 0 / 5 pts A group of 15 nurses was asked which of two types of coffee they preferred. Seven of the nurses preferred the first type, while eight of the nurses preferred the second type. Which statistical test would be appropriate to determine differences in these two groups?
Chi-square paired t -test parametric test page 576 Question 13 5 / 5 pts Descriptive statistics should be reported in every study for which of the following reasons?

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• Fall '17