O DESCRIPTIVE STATISTICS Comparing sample means To do th V ey each randomly chose 5 schoolmates...

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O DESCRIPTIVE STATISTICS Comparing sample means To do th V ey each randomly chose 5 schoolmates and recorded their scores. The samples are shown in the table. (a) Fill in the sample means in the table. Do not round your answers. Sample Score (out of 100) Sample mean 1 70, 70, 60, 60, 50 60, 50, 40, 70, 90 20, 70, 70, 90, 80 60, 50, 80, 70, 80 (b) Use the table to calculate the range of the sample means. Range of sample means:|| (c) The students are going to use the sample means to estimate the mean score for the school. Select all the true statements below. The closer the range of the sample means is to 0, the less confident they can be in their estimate. The farther the range of the sample means is from 0, the less confident they can be in their estimate. A single sample mean will tend to be a better estimate than the mean of the sample means. The mean of the sample means will tend to be a better estimate than a single sample mean. Explanation Check O 2020 McGraw-Hill Educstion. All Righ P Type here to search Chp 18 19 110 3 F3 C f4 D f5 f6 D F2 esc & 17 24 4. 2 5) E R. 00 %23 2. 3. 11 O DESCRIPTIVE STATISTICS Comparing sample means To do th V ey each randomly chose 5 schoolmates and recorded their scores. The samples are shown in the table. (a) Fill in the sample means in the table. Do not round your answers. Sample Score (out of 100) Sample mean 1 70, 70, 60, 60, 50 60, 50, 40, 70, 90 20, 70, 70, 90, 80 60, 50, 80, 70, 80 (b) Use the table to calculate the range of the sample means. Range of sample means:|| (c) The students are going to use the sample means to estimate the mean score for the school. Select all the true statements below. The closer the range of the sample means is to 0, the less confident they can be in their estimate. The farther the range of the sample means is from 0, the less confident they can be in their estimate. A single sample mean will tend to be a better estimate than the mean of the sample means. The mean of the sample means will tend to be a better estimate than a single sample mean. Explanation Check O 2020 McGraw-Hill Educstion. All Righ P Type here to search Chp 18 19 110 3 F3 C f4 D f5 f6 D F2 esc & 17 24 4. 2 5) E R. 00 %23 2. 3. 11