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The final grades for a random sample of MKT 380 students are as follows:
Students Final GradesStudent A 70Student B 85Student C 90Student D 93Student E 97Student F 80Student G 85Student H 88
a. What is the mean for these data?
b. What is the mode for these data?
c. What is the median for these data?
d. What is the variance for these data?
e. What is the standard deviation for these data?
Write Cumulative distribution function.Find the cumulative distribution function F(x).
A random sample of 100 observations is obtained from a normally distributed population with a standard deviation of 10. What is a 95% confidence interval for the mean of the population if the sample mean is 40?
A professor asked her sophomore students, "How many drinks do you typically have per session? (A drink is defined as one 12oz beer, one 4oz glass of wine, or one 1oz shot of liquor.)"
Continuous random variable is uniformly distributed between a and b. The probability density function between a and b is.
After performing a two sample t-test, you see a p-value of 0.0355. Of the following, which is the appropriate conclusion?
What is the OR of getting cancer fora late child birth woman compared to an early first birth woman?
Can we conclude at the 5% significance level that the population mean weight of athletic men is lower than the population mean weight of non-athletic men?
Further, 20 students get both questions 1 and 2 incorrect, 15 get both questions 2 and 3 incorrect, and 8 get both questions 1 and 3 incorrect, and 7 get all three questions incorrect. Find the probability that a randomly selected student: a) Gets..
Mention the critical value of test statistic (Or give the p-value of the test.)
A random sample obtained from a population has a mean of µ=100 and a standard deviation of σ = 20. The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean ..
Create a 99 percent confidence interval for mean daily intake of milk. You may suppose daily intake amounts are usually distributed.
At a large commercial bakery, one of the measures familiar with evaluate employees is the number of broken cookies per 1000 produced. The quality control department wants to determine if there is a relationship between years of experience and bro..
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