Mathematics, 22.11.2019 21:31 aurora32
When the statistics exam is handed back, you are curious about many people in your class got an a (raw score greater than 78 points). the class mean was 72.5 and the standard deviation was 4.3. what proportion of the class scored higher than 78?
Answers: 3
Mathematics, 21.06.2019 13:00
Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839
Answers: 2
Mathematics, 21.06.2019 14:10
Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)
Answers: 1
Mathematics, 21.06.2019 15:30
Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.
Answers: 2
Mathematics, 21.06.2019 19:30
The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 2
When the statistics exam is handed back, you are curious about many people in your class got an a (r...
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