Mathematics, 03.12.2021 02:50 coolsoftball2002
What does a residual value of 4. 5 mean in reference to the line of best fit? The data point is 4. 5 units above the line of best fit. The data point is 4. 5 units below the line of best fit. The line of best fit is not appropriate to the data. The line of best fit has a slope of 4. 5.
Answers: 3
Mathematics, 22.06.2019 04:30
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.
Answers: 1
Mathematics, 22.06.2019 06:00
1. judy took $30 with her to spend on popcorn and drinks for herself and her friends at the movie theater. the price for each bag of popcorn was $5. the price of each drink was half the price of a bag of popcorn. (a) sketch the graph that represents the situation and label the intercepts. use one axis to represent the number of bags of popcorn and the other axis to represent the number of drinks. (b) explain your graph.
Answers: 2
What does a residual value of 4. 5 mean in reference to the line of best fit? The data point is 4. 5...
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