Home / Questions / statistics professor wants to ﬁnd out the average GPA grade point average for all students...
statistics professor wants to ﬁnd out the average GPA (grade point average) for all students at UMKC. Heuses all students enrolled in his statistics class as a sample and collects information on their GPAs to ﬁnd theaverage GPA.(a) Identify the (statistical) population and (statistical) sample.(b) Is this a random sample or nonrandom sample?(c) What kind of sample is it? In other words, is it a simple random sample, a convenient sample, or ajudgement sample?Suppose another statistics professor at UMKC obtains a list of all students enrolled at UMKC from theregistrar’s oﬃce and then selects 150 students at random from this list using a statistical software packagesuch as Minitab. Then she collects information on their GPA also through the database of registrar’soﬃce and ﬁnds another average GPA.(d) Is this a random sample or nonrandom sample?(e) What kind of sample is it? In other words, is it a simple random sample, a convenient sample, or ajudgement sample? (Read the material on the back)(f) Which of the average GPA, the one estimated by him or by her, is more representative to the population’sGPA? Explains
Apr 21 2020 View more View Less
In Gomorrah, New Jersey, there is only one newspaper, the Daily Calumny. The demand for the paper depends on the price and the amount of scandal reported. The demand fun...
May 01 2021What is the benefit for a firm with daily sales of $30,000 to be able to speed up collections by 3 days, assuming an 8% annual opportunity cost of funds? A. $7,200 dail...
Jan 09 2020if jack misses classes through illness then he fails high school. if jack fails high school then he is uneducated. if jack reads lot of books then he is not uneducated. j...
Aug 03 2020Form the divided difference method for the following data: x -2 0 3 5 7 8 y -792 108 -72 48 -144 -252 >
Aug 04 2020Cool-IT Ltd. manufactures and sells air conditioning equipment to retailers across North America. In 2020, Cool-IT signed a two-year contract with BigMart Ltd. to supply ...
Mar 27 2020Tom Tom Co. has been working on new technology. This new technology will be available in the near term, and the firm anticipates the first cash flow to be $150,000, recei...
Jan 31 2020Equivalent Units—FIFO Method [LO6]Refer to the data for Gulf Fisheries, Inc., in Exercise 4–12.Required:Compute the equivalent units for May for the Cleaning Department,...
Jun 27 2020Management and the board of directors are responsible for setting the tone at the top What is meant by tone at the top in auditing?
Mar 17 2020Which one of the following can be called as a peripheral? (a) Control unit (b) Arithmetic unit (c) Speaker ...
Jan 08 2018Pressurized air stored in a 10,000-m3 cave at 500 kPa and 400 K is to be used to drive a turbine at times of high demand for electric power. If the turbine exit condit...
May 08 2020