Warm up
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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

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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


What individuals does this data set describe

What individuals does this data set describe?


Identify each variable and if they are categorical or quantitative

Identify each variable and if they are categorical or quantitative


Describe the individual in the highlighted row

Describe the individual in the highlighted row


How is this graph misleading

How is this graph misleading?


Would it be appropriate to make a pie chart to display these data

Would it be appropriate to make a pie chart to display these data?


Examples of graphs that are not misleading

Examples of graphs that are not misleading


Examples of histograms

Examples of histograms


5 number summary

5-Number Summary


Examples of box plots

Examples of Box-plots


Class review

Class Review

  • 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

  • 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

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


How is this graph misleading1

How is this graph misleading?


Warm up

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?


Warm up

The 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

  • 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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