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Equation of the regression line.
Using the age and sick days data :
Age ( X)
18
26
39
48
53
58
Sick Days(Y)
16
12
9
5
6
2
a) Find the equation of the regression line.
b) Find y' when x=47 years.
At the 0.05 level of significance, is there sufficient reason to believe that the integers are not being generated uniformly?
A test on zoology is to be given next week. Suppose 75 percent of the students study for the test and 25 percent do not. If a student studies for the exam, the probability that he or she will pass is 0.90. If the student does not study, the pro..
Given this, compute the following probabilities for demand during lead time(DDLT).
Assume that the amount your town's population grows every year is fixed or constant. Utilize your equation in part b to approximate the population in the year 2030.
Construction of histogram and pie chart for continuous data
The following study was developed by Economist Simon Fass. Fass surveyed a sample population of low-income households in St. Martin. The variables analyzed were monthly income per adult and choice of rental contract for housing.
Compare these with the percentages specified by Tchebysheff's Theorem.
Statistical Hypothesis testing - Frequency distribution
Enter relative proportions of the 3 samples in order (20,50,30) in "Expected values" area.
Findout the 98% confidence interval for true mean. Findout a 98% confidence interval for the cigarette tax in all 50 states.
Which sessions, morning or afternoon, had more stable or uniform attendance over three-day period? Describe by using the suitable calculation for each data set and compare two calculations .
Determine what analysis would you do on each problem (i.e., one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
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