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Question 2 of 10 The following table lists the weights of 40 babies born at a hospital last month. Estimate the mean and median, and determine the modal class. Weight (pounds) 3 to under 5 5 to under 7 7 to under 9 9 to under 11 11 to under 13 Number of Babies 1 0 14 6 19
Question 3 of 10 The ages of a sample of 72 applicants for a training program are grouped into the following frequency distribution. Estimate the mean and median, and determine the modal class. Age 20 to under 22 22 to under 24 24 to under 26 26 to under 28 28 to under 30 30 to under 32 Frequency (f) 12 19 2 18 14 7
In a survey of subscribers to a Canadian lifestyle magazine, the following question was asked: How many of the last four issues have you read? The following table summarizes 240 responses. Compute the mean, median, and mode. Number of issues read Number of people Mean: Round to 2 decimal places 0 1 2 3 4 65 69 23 66 17
The following table shows the number of hours per day a sample of 77 people spend watching TV. Compute the mean, median, and mode. Number of hours Number of people Question 5 of 10 0 1 2 17 6 Mean: Round to 2 decimal places 19 3 5 4 11 5 6 7 16 2 1
Question 6 of 10 The following table lists the frequency distribution of the number of days that 225 patients spent in a hospital. Number of Days 0 to under 7 7 to under 14 14 to under 21 21 to under 28 28 to under 35 Frequency 64 67 28 21 45 a. Determine the mean, median, and modal class of the data set. b. Use your answers from part (a) to describe the skewness.
The following are the number of patients who visited a walk-in clinic on each of 20 randomly selected days. 19 19 10 30 Question 7 of 10 19 22 40 21 23 25 33 14 17 14 37 30 30 35 19 14 a. Determine the mean, median, and number of modes of the data set. b. Use your answers from part (a) to describe the skewness of the distribution.
A patient's blood sugar readings were recorded during a recent stay in the hospital. The median shows 77.7 mg/dL and the mode is 78.9 mg/dL. Using the empirical relationship among mean, median, and mode, estimate the mean and comment on the skewness of the distribution. Mean: Round to 2 decimal places Question 8 of 10 Skewness: (click to select)
A consumer research group purchased identical items in eight drugstores. The mean cost for the purchased items was $96.31. The mode was $95. Using the empirical relationship among mean, median, and mode, estimate the median and comment on the skewness of the distribution. Median: Round to the nearest cent Skewness: (click to select) Question 9 of 10 <
The average amount of weight loss, in pounds, by 23 participants in a six-month weight- reduction program is 27.1 pounds. The median weight loss for these participants is 29.4 pounds. Using the empirical relationship among mean, median, and mode, estimate the mode and comment on the skewness of the distribution. Mode: Round to 2 decimal places Question 10 of 10 Skewness: (click to select)