The two properties about a set of measurements of a dependent variable that we are most interested in describing are:
Save Question 2 (1 point) The ________________ is the sum of all the scores divided by the number of scores. Save Question 3 (1 point) The generally preferred measure of central tendency is usually the Save Question 4 (1 point) Which of the following is the most useful descriptive statistic for measuring dispersion? Save Question 5 (1 point) The standard deviation is Save Question 6 (1 point) If the mean I.Q. is 100 and the standard deviation of I.Q. scores is 15, then an I.Q. of 130 will have a z score (or standard score) of Save Question 7 (1 point) Inferential statistics allow you to decide whether a difference between the experimental and the control group is due to _______________ or ________________. Save Question 8 (1 point) The null hypothesis suggests that the two samples come from ___________ distribution(s), and the experimental hypothesis suggests that the two samples come from _____________ distribution(s). Save Question 9 (1 point) The power of a statistical test refers to its ability to Save Question 10 (1 point) Simple analysis of variance is used in designs having Save Question 11 (1 point) The number of participants in a study is denoted by Save Question 12 (1 point) A _____________ is a complete set of measurements. Save Question 13 (1 point) _____________ is one way of ensuring that a sample is representative of the population. Save Question 14 (1 point) If we conduct an experiment on average young, white, college males, inferential statistics allow us to generalize to the population of Save Question 15 (1 point) If we apply an alpha level of .05, and there really is no effect of the experimental manipulation, then one should make a Type I error Save Question 16 (1 point) Which of the following would be considered the most conservative alpha level? Save Question 17 (1 point) The prediction that alcohol slows reaction time is Save Question 18 (1 point) Two-tailed tests are _______________ conservative and ______________ powerful than one-tailed tests. Save Question 19 (1 point) The _____________ indicates the number of scores that are free to vary. Save Question 20 (1 point) The ____________ is used to analyze the results when there are more than two groups. Save Question 21 (1 point) The __________ maintains that two conditions do not differ. Save Question 22 (1 point) A conservative statistical test is one that Save Question 23 (1 point) What are inferential statistics used for? Save Question 24 (1 point) Descriptive statistics are used to: Save Question 25 (1 point) Which of the following is not a characteristic of the normal curve: |
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