Math

1. Consider a sample with data values of 26, 24, 21, 19, 32, 35, 28, and 24. Compute the , , , and percentiles (to decimal, if decimals are necessary).

20th percentile ________

25th percentile ________

65th percentile ________

75th percentile ________

2. Consider a sample with a mean of and a standard deviation of . Use Chebyshev’s theorem to determine the percentage of the data within each of the following ranges (to the nearest whole number).

a. 30 to 50 , at least _________%

b. 15 to 65 , at least _________%

c. 31 to 49 , at least _________%

d. 28 to 52, at least _________%

e. 24 to 56, at least _________%