Mathematics, 23.10.2019 20:50 kony345p
Words were displayed on a computer screen with background colors of red and blue. results from scores on a test of word recall are given below. use a 0.05 significance level to test the claim that the samples are from populations with the same standard deviation. assume that both samples are independent simple random samples from populations having normal distributions. does the background color appear to have an effect on the variation of word recallscores?
n x s
red background 35 15.14 5.91
blue background 37 12.42 5.42
Answers: 3
Mathematics, 21.06.2019 14:20
What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?
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Mathematics, 21.06.2019 15:10
Point a is located at (0, 4), and point c is located at (−3, 5). find the x value for the point b that is located one fourth the distance from point a to point c. −0.25 −0.5 −0.75 −1
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Mathematics, 21.06.2019 23:00
Acaterpillar eats 1400\%1400% of its birth mass in one day. the caterpillar's birth mass is mm grams. which of the following expressions could represent the amount, in grams, the caterpillar eats in one day? \
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Words were displayed on a computer screen with background colors of red and blue. results from score...
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