Mathematics, 13.02.2020 02:43 brea2006
A researcher working in a Human Resources department was interested in gender and sales figures so he conducted a t-test. The mean for males was 66.25 and the mean for females was 78.24, with both groups having a standard deviation of 7. What is the effect size using Cohen’s d?
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Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?
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Mathematics, 21.06.2019 23:00
Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?
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Mathematics, 22.06.2019 04:00
Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.
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Jimmy can run 3.5 miles in 20 minutes. how far can he run in one hour and ten minutes?
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A researcher working in a Human Resources department was interested in gender and sales figures so h...
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