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Which is not a measure of central tendency?

Test your understanding of statistics with this quiz. Answer questions on central tendency, sampling methods, regression models, and more. Earn up to $1 million!

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Which is not a measure of central tendency?

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  1. Edit questions by triple-clicking on the text of the question, and type the new question. Edit the answers in the same manner. 10 8 5 9 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! Select the right answer by right-clicking on the letter(A,B,C,D) of the correct answer, select “Action Settings” from the menu, select “Hyperlink to:”, click on the down arrow to select “Slide…”, choose the slide that corresponds to the dollar amount of the question, and click “OK”, and “OK” again. Which is not a measure of central tendency? Mode Maximum Mean Median

  2. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. You only have to select a hyperlink for the right answers. Time's Up! Which of the following is resistant to extreme values? Mean Maximum Range Mode

  3. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! Which of the following does NOT indicate a positive association? r2 = .81 r = .009 r = .099 r > 0 b1 = .456

  4. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! If the persons in a sample are chosen to meet the demographics of the population, the sample will be A quota sample A cluster sample A stratified sample A voluntary response sample

  5. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! If representation of all four classes in a high school sample is of importance, which sampling design is appropriate? SRS Quota sample Systematic sample Stratified random sample

  6. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! Random digit tables and random number generators follow which of the following distributions? uniform t normal binomial

  7. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! If 10 is added to every value of a data set, which of the following occurs? Mean increases by 10 Range increases by 10 Median remains the same Mean increases by 100

  8. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! If a data set is transformed using (x, y) (ln x, ln y), the resulting regression model will be A power model A quadratic model An exponential model A linear model

  9. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! Sending an innocent person to prison is which of the following? Confidence level Type II error Type I error Power

  10. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! If the expected value of successes in a binomial experiment of 100 trials is 55, the standard deviation of number of successes is 2.23 4.97 2.49 24.75

  11. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! Order the following from least to greatest: I. Q3, II. Value at 70th percentile, III. Value with a z-score of 1. I, II, III II, I, III III, II, I III, I, II

  12. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! The primary reason for use of blocking when designing an experiment is to reduce variation bias the need for randomization confounding

  13. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! A random sample of size 10 taken from a population has sample variance of 0. Which of the following is true? I. 2 = 0. II. S. mean = s. median III. All 10 pts same. I only III only I and II II and III only

  14. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! Two events that do not contain any of the same simple events (outcomes) is called independent mutually exclusive empty conditional

  15. 10 8 9 5 7 4 6 2 1 3 Click on the letter of the correct answer. Time's Up! When people think that the long-run frequency of an event should apply even in the short-run is referred to as Gambler’s fallacy Law of averages Law of large numbers Law of small numbers

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