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A) Critically discuss the concept of the normal distribution, why it is important, and what you think it means.
B) When students talk about "grading on the curve," how does that apply to the normal distribution?
Critically illustrate out the purpose of developing frequency distribution? Describe the relationship between the relative frequency and the cumulative frequency.
In looking at your business, when and why would you want to use a one-sample mean test (either z or t) or a two-sample t-test? Create a null and alternate hypothesis for one of these issues. How would you use the results?
Gigi has rolled a natural on four straight tosses of the dice. This excites the gamblers standing around the table.
Calculate separate confidence intervals for the numbers of days absent for Clinic A and Clinic B, respectively.
Construct and interpret 90 percent on confidence interval for the mean. Be sure to interpret the meaning of this interval.
If all samples of size 64 are drawn, mean of sample according to Central Limit Theorem is 100.
At 0.05 level of significance, is there evidence of significant relationship between age group and where people mainly get their news? If so, describe the relationship.
Assume X is an exponential random variable with parameter lambda. Find the method of moments estimator for lambda.
Suppose the sample variance for 30 parts turns out to be s 2 = .0005. Use α = .05 to test whether the population variance specification is being violated.
Find a 95 percent confidence interval for the population mean concentration of uric acid in this patients blood. The concentration of uric acid in this patient's blood.
On the same chart, produce a graph showing the original probability mass function, and a line graph showing your selected continuous probability density function.
Interpret values of b1, b2, b3 and b4 in this estimated regression equation.
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