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A student survey was done to study the relationship between gender and favorite television program watched on Sunday mornings (sports, news, or other). The chi-square test statistic was 8. What is the p-value or p-value range?
in a nationwide survey suppose 100 boys and 50 girls are sampled. what is the probability that the male sample will
q1. consider the following time series.t 1 2 3 4 5 6 7yt 120 110 100 96 94 92 88a. construct a time series plot. what
your company produces two products model alpha and model beta. these products have profits or contributions of 120 and
For each of the following sampling scenarios, determine which test statistic is appropriate to use when making inference statements about the population mean.
Suppose we have run a regression on 48 months of data and the regression equation is Y = 50000 + 1000*x (where x is the month number).
Why does APA recommend that we calculate a measure of effect size in addition to calculating the test statistic?
a 15 msec wind at 101.3 kpa and 20 degrees celeus enter a two-bladed wind turbine with a diameter of 15 m. calculate
When the growing season is moderate. The probability of the growing season being too dry is 35%. What is the expectation for profit?
according to an airline flights on a certain route are on time 85 of the time. suppose 9 flights are randomly selected
Estimate and interpret the p-value of the calculated test statistic.
I have fit a line to data representing cholesterol readings for 28 individuals starting a cholesterol reducing drug. The computer provides the following output, The degrees of freedom for the t test for the slope are
Suppose a study is conducted to test the claim, at a 0.01 significance level, that less than 75% of college students spend less than $250 per semester on text books. A survey of 700 students found that 71% spent less than $250 per semester on text..
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