36. Find the mean for the following frequency tables. a. Grade Frequency 49.5–59.5 2 59.5–69.5 3 69.5–79.5 8 79.5–89.5 12 89.5–99.5 5
2.3 Measures of the Center of the Data
36. Find the mean for the following frequency tables.
a. Grade Frequency
49.5–59.5 2
59.5–69.5 3
69.5–79.5 8
79.5–89.5 12
89.5–99.5 5
Table 2.51
b. Daily Low Temperature Frequency
49.5–59.5 53
59.5–69.5 32
69.5–79.5 15
79.5–89.5 1
89.5–99.5 0
Table 2.52
c. Points per Game Frequency
49.5–59.5 14
59.5–69.5 32
69.5–79.5 15
79.5–89.5 23
89.5–99.5 2
Table 2.53
Use the following information to answer the next three exercises: The following data show the lengths of boats moored in a
marina. The data are ordered from smallest to largest: 16; 17; 19; 20; 20; 21; 23; 24; 25; 25; 25; 26; 26; 27; 27; 27; 28; 29;
30; 32; 33; 33; 34; 35; 37; 39; 40
37. Calculate the mean.
38. Identify the median.
39. Identify the
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