Statistics pretest - probability test PDF

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probability test...

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1. Suppose that we create a histogram for the data in the file sandp.xlsx, with the boundaries for the bin ranges to the right.

The bin containing the most data points corresponds to monthly returns in the range

20% to -10% -10% to 0% 0% to 10% 10% to 20% 20% to 30%

- 2. Here are the heights and weights of four residents of Smalltown, Nevada:

Ht 69, wt 160lbs Ht 72 wt 175lbs Ht 75 wt 185 lbs

Ht 79 wt 220lbs The correlation between the height and the weight of these residents is .90 .80 .98 .75 .83 3.For the data in the file sandp.xlsx, the mode of the monthly returns (rounded to the nearest one tenth of a percent) is

-0.5% 0.0% 0.2% 0.4% None of the above

4. The number of cookies that Jane ate during each of the last five days is as follows: 0, 1, 4, 7, 8. Rounded to the nearest tenth, the standard deviation of the number of cookies eaten daily is

4.0 3.8 3.6 3.5 None of the above 5.The file contains monthly returns on the Standard & Poor's Index. For example, in February 1881 the Standard & Poor's Index dropped by 0.32%.

Rounded to the nearest tenth of a percent, the mean monthly return on the S&P Index was

0.3%, 0.4%, 0.8% or 1.0%...