Mathematics, 23.09.2019 06:50 gabrielaperezcz
In a random sample of 2424 people, the mean commute time to work was 30.730.7 minutes and the standard deviation was 7.17.1 minutes. assume the population is normally distributed and use a t-distribution to construct a 9898% confidence interval for the population mean muμ. what is the margin of error of muμ? interpret the results.
Answers: 1
Mathematics, 22.06.2019 00:30
Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.
Answers: 3
Mathematics, 22.06.2019 01:30
Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =
Answers: 3
In a random sample of 2424 people, the mean commute time to work was 30.730.7 minutes and the standa...
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