Mathematics, 10.01.2020 07:31, linnybear300
Researcher found that fifth-grade students completed more mathematics problems correctly when simple problems were mixed in with their regular math assignments. in order to test this hypothesis, a researcher selects a standardized mathematics achievement test that produces a normal distribution of scores with a mean of μ = 100 and standard deviation of σ =18. the researcher modifies the test by inserting a set of very easy problems among the standardized questions, and gives the modified test to a sample of n = 36 students. if the average test score for the sample is m = 104, (use α = .01), figure the 99% of confidence interval (do not need to conduct a hypothesis test)
Answers: 2
Mathematics, 21.06.2019 15:00, thegent1859
This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit
Answers: 3
Mathematics, 21.06.2019 20:30, amandaaaa13
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 1
Researcher found that fifth-grade students completed more mathematics problems correctly when simple...
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