How much change you have in your pocket is measured best on an ratio scale. The

Question

How much change you have in your pocket is measured best on an ratio scale. The class interval 25-29 has an interval width of four. The 50th percentile, median, and 2nd quartile (Q2) refer to the same score. In a distribution of [2,2,11,555,978], the median is 11.0 A sample tends to have more variability than its population. When calculating SS (not s or of) for a sample, you must use (n - 1) The variance is the squareroot of the standard deviation. s and sigma are never negative s^2 and sigma^2 are never positive. mu cannot be negative. When you change alpha from .05 to .01, beta increases. For the following data [21,14,3,10], calculate sigma X, sigmaX^2, (sigma X)^7, sigma(X - 3)^2, M (n X), and c sigma X = ___: sigma X^2 = ___: (sigma X)^2 = ___: sigma (X - 3)^2 = ___: M = ___: = ___ Use the following frequency distribution table (and calculator) for your calculations. Use the following distribution [3,4,2,5,4,1,4,2,4,4] for your calculations. For question #43, use your calculator and think before you start calculating to save3 a let of time.

Explanation / Answer

30 True The change may be 0 to ..infinity

31 true, because The width= 29-25=4

32 true, Q2 is the Median

33 true, the total numbers are 5 then the 3rd value is the median it is 11.0

34 False

35 true

36 false, square root of the variance is standard deviation

37 false it is positive square root of the variance

38 true

39 true

41 , 1=48 2=746 3=2304 4=494 mean=12 standard deviation=7.527

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