Select one a It assesses differences between two groups of participants b It

Select one a it assesses differences between two

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Select one: a. It assesses differences between two groups of participants b. It assesses how many factors there are in questionnaire data c. It assesses relationships between two ratio data sets d. It assesses relationships between two interval data sets Question 24 Answer saved Marked out of 1.00 Flag question Question text This method is a non probability sampling technique where existing study subjects recruit future subjects from among their acquaintances. Select one: a. Snowball Sampling b. Convenience Sampling c. Purpose Sampling d. Quota Sampling Question 25 Answer saved
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Marked out of 1.00 Flag question Question text My friend, Bob, believes that his supermarket's prices are lower than mine. We construct a list of identical items and purchase them at our respective stores every week for two months. Then Bob wants to know if his hypothesis is supported. Select one: a. Bob has a directional hypothesis and should do an independent t-test b. Bob has a non-directional hypothesis and should do an independent t-test c. Bob has a non-directional hypothesis and should do a one sample t-test d. Bob has a directional hypothesis and should do a matched t-test Question 28 Answer saved Marked out of 1.00 Flag question Question text To find the ____________, place the numbers in value order and find the middle. Select one: a. Median b. Mode c. Mean d. Range
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Question 33 Answer saved Marked out of 1.00 Flag question Question text How do statistics inform the reader of the central message? Select one: a. They don't inform the reader b. By saying what is true c. Summarizing and creating meaning from aggregated data d. By providing insights into how people construct meaning through discourse Question 35 Answer saved Marked out of 1.00 Flag question Question text It is most commonly applied when the test statistic would follow a normal distribution if the value of a scaling term in the test statistic were known. Select one: a. T-Test b. Z-Test c. Correlation Analysis d. One Way ANOVA
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Question 39 Answer saved Marked out of 1.00 Flag question Question text The null hypothesis in analysis of variance asks whether Select one: a. all groups are the same b. any groups are the same c. specific groups are the same d. any groups are the equal Question 40 Answer saved Marked out of 1.00 Flag question Question text It is generally assumed that the ANOVA is an 'analysis of dependencies.' Select one: True False Question 44 Answer saved Marked out of 1.00
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Flag question Question text You obtain a sample chi-square value of X 2 = -5.49. On the basis of this value, you know that Select one: a. there is a negative association between your two variables. b. the observed frequencies are lower than the expected frequencies across all cells. c. the observed frequencies are higher than the expected frequencies across at least half of your cells. d. you have made a calculation error; chi-square values cannot be negative.
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  • Fall '18
  • Statistics, Statistical hypothesis testing, Statistical tests, Non-parametric statistics, Spearman's rank correlation coefficient

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