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The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. 1422 1225
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. 1422 1225 981 698 723 835 Assume the population is normally distributed. 722 743 550 624 1443 946 (a) Find the sample mean. (Round to one decimal place as needed.)
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Elementary Statistics Picturing The World
Authors: Ron Larson, Betsy Farber
6th Edition
0321911210, 978-0321911216
