MA 215 UA GRANTHAM Statistical Questions
The following shows the temperatures (high, low) and weather conditions in a given Sunday for some selected world cities. For the weather conditions, the following notations are used: c = clear; cl = cloudy; sh = showers; pc = partly cloudy.Question 2A student has completed 20 courses in the School of Arts and Sciences. Her grades in the 20 courses are shown below.Question 3The number of hours worked per week for a sample of ten students is shown below.Question 4You are given the following information on Events A, B, C, and D.Question 5Question 6The average starting salary of this years graduates of a large university (LU) is $20,000 with a standard deviation of $8,000. Furthermore, it is known that the starting salaries are normally distributed.Question 7A simple random sample of 6 computer programmers in Houston, Texas revealed the sex of the programmers and the following information about their weekly incomes.Question 8Students of a large university spend an average of $5 a day on lunch. The standard deviation of the expenditure is $3. A simple random sample of 36 students is taken.
