Incorrect Question 8 0 2 Pts One Hundred Teachers Attended A Seminar On Mathematical Problem Solving The Attitudes Of A 1 (37.78 KiB) Viewed 69 times
Incorrect Question 8 0/2 pts One hundred teachers attended a seminar on mathematical problem solving. The attitudes of a representative sample of 12 of the teachers were measured before and after the seminar. A positive number for change in attitude indicates that a teacher's attitude toward math became more positive. The 12 change scores are as follows 3; 8; -1; 2; 0; 5; -3; 1; -1; 6; 5; -2 What is the standard deviation for this population? 3.35
Listed are 29 ages for Academy Award winning best actors in order from smallest to largest 18; 21; 22; 25; 26; 27; 29; 30; 31; 33; 36; 37; 41; 42; 47; 52; 55; 57; 58; 62, 64; 67; 69; 71; 72; 73; 74; 76; 77 Find the 78th percentile.
Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars. First quartile =
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