What do you conclude about a linear correlation

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Reference no: EM133730700

Problem: Statistics Anesthetized Bears that Were Measured Worksheet

I. For a data set of chest sizes (distance around chest in inches) and weights (pounds) of six anesthetized bears that were measured, the linear correlation coefficient is r = 0.854. Use the table available below to find the critical values of r. Based on a comparison of the linear correlation coefficient r and the critical values, what do you conclude about a linear correlation?

II. The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 256.1 and a standard deviation of 63.3. (All units are 1000 cells/L.) Using the empirical rule, find each approximate percentage below.

1. What is the approximate percentage of women with platelet counts within 3 standard of the mean or between 66.2,and 446.0 ?

2. What is the approximate percentage of women with platelet counts between 192.8 and 319.4?

Reference no: EM133730700

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