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Question 1 (10 points): The following data represent the social ambivalence scores for 16 people as...
The following data represent the social ambivalence scores for 15 people as measured by a psychological...
The following data represent the social ambivalence scores for 15 people as measured by a psychological test. (The higher the score, the stronger the ambivalence.) 8 12 11 15 14 10 8 3 8 7 21 12 9 19 11 (a) Guess the value of s using the range approximation. s ≈ (b) Calculate x for the 15 social ambivalence scores. Calculate s for the 15 social ambivalence scores. (c) What fraction of the scores actually lie in the interval...
Question 1 (10 points): The following data represent the social ambivalence seores Sor 16 peopie as...
Question 1 (10 points): The following data represent the social ambivalence seores Sor 16 peopie as measured by a peychological test. (The highher the soore, the stronger the ambivalence.) 1013 12 14 15 L1 10 8 10 8 19 16 11 179 (a) Find the sanaple encan (b) Fitxd the wedisn ambivalenme seore. What is the salue of the mocke (e) Basosd on the valurs sif t un and msliun is the previcas tu qustions, are the sureands symmetric or...
1. You are given the following sample of scores: 5, 6, 7, 8, 9, 9, 10,...
1. You are given the following sample of scores: 5, 6, 7, 8, 9, 9, 10, 10, 11, 25 (a) For the sample above, calculate (show all of your work): (i) the mean (ii) the median (iii) the mode (iv) the variance (v) the standard deviation (vi) What do the variance and standard deviation represent? (b) Which raw score in the above sample most closely corresponds to a z-score of –0.7? (c) If Dr. Jones states that the mean is...
Provide an appropriate response. Find the mean, median, and mode of the following statistic students' test...
Provide an appropriate response. Find the mean, median, and mode of the following statistic students' test scores 71 74 67 71 64 72 71 65 66 69 15 Calculate the 5-number summary 16. The distribution of salaries of professional basketball players is skewed to the right. Which measure of central tendency would be the best measure to determine the location of the center of the distribution 16). C) mean C)frequency A median B) mode 17 and median? 17 Frequency distributions...
Question 16 Data sets can have more than one median a. True b. False Question 17...
Question 16 Data sets can have more than one median a. True b. False Question 17 The median divides the data set, sequentially, by values below and values above the mode a. True b. False Question 18 This measure of central tendency provides the arithmetic average a. mode b. median c. mean d. distribution Question 19 Nominal data can be measured using the mean a. True b. False Question 20 The median represents the 50th percentile of a data set...
14. For a negatively skewed distribution with a mode of X-25 and a median of 20,...
14. For a negatively skewed distribution with a mode of X-25 and a median of 20, the mean is probably a greater than 25 b. less than 20 c. between 20 and 25 d. cannot be determined from the information given 15. A distribution is positively skewed. Which of the most probable order for the three measures of central tendency? a mean - 40, median - 50, mode - 60 b. mean-60, median - 50, mode - 40 c. mean...
(e) Based on the values of the mean and median in the previous two questions, are...
(e) Based on the values of the mean and median in the previous two questions, are the measurerme symmetric or skewed? Why? (d) If you were writing a report to describe these data, which messure of central tendency would you Explain. Question 2 (14 points): For a sample of 40 students attending the University of Saskatchewan, tbe numbe of times per week each of the students checked the news online wus recorded. The frequency table for th data is provided...
1. The following data represent the age of first arrest for a sample of 50 boys....
1. The following data represent the age of first arrest for a sample of 50 boys. X (age) f cf % c% 9 1 1 2% 2% 10 9 10 18% 20% 11 10 20 20% 40% 12 5 25 10% 50% 13 7 32 14% 64% 14 4 36 8% 72% 15 7 43 14% 86% 16 5 48 10% 96% 17 1 49 2% 98% 19 1 50 2% 100% Σ 50 100 a. What is the mode,...
10. The following data represent the scores of students on a particular exam. 3 4 31...
10. The following data represent the scores of students on a particular exam. 3 4 31 4 03 48 51 0122 5 789 6 444 67789 7 123 7 556 678 89 800112334 8 55 66 777 8 9 900012 344 91 55 Key: 64 means 64% on the e a) (1 point) This data is...(Circle One) Skewed Right Skewed Left Symmetric b) Compute the following measures for this data set. (3 points) Median: 78.5 - 79113 - 11. (7...
10. Calculating the mean, median, and mode when scores are changedor removed Consider the following sample...
10. Calculating the mean, median, and mode when scores are changedor removed Consider the following sample set of scores. Assume these scores are from a discrete distribution. 1 22 40 45 45 52 60 69 81 94 For the given data, the mean is , the median is ▼ , and the mode is Suppose the score 1 in the data is mistakenly recorded as 21 instead of 1. For the sample with this error, the mean is the median...
Question 1 (10 points): The following data represent the social ambivalence seores Sor 16 peopie as measured by a peychological test. (The highher the soore, the stronger the ambivalence.) 1013 12 14 15 L1 10 8 10 8 19 16 11 179 (a) Find the sanaple encan (b) Fitxd the wedisn ambivalenme seore. What is the salue of the mocke (e) Basosd on the valurs sif t un and msliun is the previcas tu qustions, are the sureands symmetric or...
Provide an appropriate response. Find the mean, median, and mode of the following statistic students' test scores 71 74 67 71 64 72 71 65 66 69 15 Calculate the 5-number summary 16. The distribution of salaries of professional basketball players is skewed to the right. Which measure of central tendency would be the best measure to determine the location of the center of the distribution 16). C) mean C)frequency A median B) mode 17 and median? 17 Frequency distributions...
14. For a negatively skewed distribution with a mode of X-25 and a median of 20, the mean is probably a greater than 25 b. less than 20 c. between 20 and 25 d. cannot be determined from the information given 15. A distribution is positively skewed. Which of the most probable order for the three measures of central tendency? a mean - 40, median - 50, mode - 60 b. mean-60, median - 50, mode - 40 c. mean...
(e) Based on the values of the mean and median in the previous two questions, are the measurerme symmetric or skewed? Why? (d) If you were writing a report to describe these data, which messure of central tendency would you Explain. Question 2 (14 points): For a sample of 40 students attending the University of Saskatchewan, tbe numbe of times per week each of the students checked the news online wus recorded. The frequency table for th data is provided...
10. The following data represent the scores of students on a particular exam. 3 4 31 4 03 48 51 0122 5 789 6 444 67789 7 123 7 556 678 89 800112334 8 55 66 777 8 9 900012 344 91 55 Key: 64 means 64% on the e a) (1 point) This data is...(Circle One) Skewed Right Skewed Left Symmetric b) Compute the following measures for this data set. (3 points) Median: 78.5 - 79113 - 11. (7...
10. Calculating the mean, median, and mode when scores are changedor removed Consider the following sample set of scores. Assume these scores are from a discrete distribution. 1 22 40 45 45 52 60 69 81 94 For the given data, the mean is , the median is ▼ , and the mode is Suppose the score 1 in the data is mistakenly recorded as 21 instead of 1. For the sample with this error, the mean is the median...
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