Mathematics, 10.05.2021 21:10 azktanae5855
an english teacher has been teaching a sixth grade composition class for many years he has a feeling that over the past several years the writing ability of students has changed. a national test of proficiency in composition was administered 5 years ago. the resulting distribution of scores was normally shaped had a population mean of 85 and a population standard deviation of 10.9 in order to test his feeling he gives his present class of 43 students the same proficiency test. the resulting mean is 80 and standard deviation is 8.7 the obtained value of the appropriate statistic for testing h0 is
Answers: 2
Mathematics, 21.06.2019 17:00
Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?
Answers: 1
Mathematics, 21.06.2019 20:30
Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how
Answers: 2
Mathematics, 21.06.2019 21:00
When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?
Answers: 1
Mathematics, 22.06.2019 02:30
The graph shows the amount of total rainfall at each hour what was the total rainfall amount after three hours
Answers: 1
an english teacher has been teaching a sixth grade composition class for many years he has a feeling...
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