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 d

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?

Identify each variable and if they are categorical or quantitative

Describe the individual in the highlighted row

How is this graph misleading?

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

Examples of graphs that are not misleading

Examples of histograms

5-Number Summary

Examples of Box-plots

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

b

b

c

a) Skewed right b) Q1-30 Q3-77 IQR-43 below -34. 5 and above 141 a) Skewed right b) Q1-30 Q3-77 IQR-43 below -34.5 and above 141.5 so 151 is an outlier.

A) Longest was 550-559 b) higher minimum lifetime c) higher median lifetime

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 d

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 misleading?

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 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 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….