Mathematics, 04.03.2020 01:29 martamsballet
Some students were surveyed about how much time they spent playing video games last week and their overal test average.
Please find equation for the line of best fit, interpret the meaning of the slope, interpret the meaning of the Y intercept mathematically, state the correlation coefficient, and use the equation of the least square line from part A to predict the test average for someone who plays five hours of video games a week.
Answers: 3
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Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?
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Mathematics, 22.06.2019 00:30
Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great
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Mathematics, 22.06.2019 02:30
According to a research study, parents with young children slept 6.4 hours each night last year, on average. a random sample of 18 parents with young children was surveyed and the mean amount of time per night each parent slept was 6.8. this data has a sample standard deviation of 0.9. (assume that the scores are normally distributed.) researchers conduct a one-mean hypothesis at the 5% significance level, to test if the mean amount of time parents with young children sleep per night is greater than the mean amount of time last year. the null and alternative hypotheses are h0: μ=6.4 and ha: μ> 6.4, which is a right-tailed test. the test statistic is determined to be t0=1.89 using the partial t-table below, determine the critical value(s). if there is only one critical value, leave the second answer box blank.
Answers: 3
Some students were surveyed about how much time they spent playing video games last week and their o...
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