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Warm-up. You record the age, marital status, and earned income of a sample of 1463 women. The number and type of variables you have recorded is (a) 3 quantitative, 0 categorical (b) 4 quantitative, 0 categorical (c) 3 quantitative, 1 categorical (d) 2 quantitative, 1 categorical

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Warm up
Warm-up

  • You record the age, marital status, and earned income of a sample of 1463 women. The number and type of variables you have recorded is

    (a) 3 quantitative, 0 categorical

    (b) 4 quantitative, 0 categorical

    (c) 3 quantitative, 1 categorical

    (d) 2 quantitative, 1 categorical

    (e) 2 quantitative, 2 categorical


Chapter 1 introduction to statistics

Chapter 1- Introduction to Statistics

Objective: Check mastery of bar graphs, histogram, pie chart, dot plot, stem-plot, mean, and 5-number summary











Class review
Class Review data?

  • You are to write down the answers on a sheet of paper and you will turn this in tomorrow before the TEST.

  • Make sure your name is on it


Warm up1
Warm-up data?

  • You record the age, marital status, and earned income of a sample of 1463 women. The number and type of variables you have recorded is

    (a) 3 quantitative, 0 categorical

    (b) 4 quantitative, 0 categorical

    (c) 3 quantitative, 1 categorical

    (d) 2 quantitative, 1 categorical

    (e) 2 quantitative, 2 categorical


Chapter 1 introduction to statistics1

Chapter 1- Introduction to Statistics data?

Objective: Check mastery of bar graphs, histogram, pie chart, dot plot, stem-plot, mean, and 5-number summary



Below is a bar graph of the number of presidents of each political party. What is wrong with the way information is presented in this graph?


The political party. What is wrong with the way information is presented in this graph?dotplots below show the total family income of randomly-chosen individuals from Indiana (38 individuals) and New Jersey (44 individuals).

Write a few sentences comparing the distribution of total family incomes in these two samples.


Mean and median
Mean and Median political party. What is wrong with the way information is presented in this graph?

  • The median salary of nine baseball players is $250,000. A player that earns $125,000 leaves the room. The median salary of the remaining eight players is….


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