StatTutor Lesson - Introducing Probability

true
Stat Tutor
true
true
You have completed 0 question sequences out of 2.
Introduction to chapter 10
Video Player is loading.
Current Time 0:00
Duration 0:00
Loaded: 0%
Stream Type LIVE
Remaining Time 0:00
 
1x
    • Chapters
    • descriptions off, selected

      Question 1

      39

      Question 1.

      The average cost of a typical weekend date for the students at your school is a

      A.
      B.
      C.

      Correct. The average (mean) for all students at your school is a population mean. While this will change through time (prices go up and down – remember time series from Chapter 1), at any one point it is considered to be a fixed amount.
      Incorrect. The average (mean) for all students at your school is a population mean. While this will change through time (prices go up and down – remember time series from Chapter 1), at any one point it is considered to be a fixed amount.
      2
      Try again.

      Questions 2-3

      112

      Question 2.

      Which sample would give a more reliable estimate of the population mean cost per date?

      A.
      B.
      C.

      Correct. Larger samples with smaller variability give better estimates of population parameters. This is because the larger sample includes more of the possible values in the population of interest.
      Incorrect. Larger samples with smaller variability give better estimates of population parameters. This is because the larger sample includes more of the possible values in the population of interest.
      2
      Try again.