28. Below is a relative frequency bar chart of the number of children in American households. The horizontal axis is the number of children (o, 1, 2, 3, or 4) and the vertical axis is the fraction of households with that many children. 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 1 2 3 4 a) Describe the shape of this graph: is it uniform, symmetric, skewed right, or skewed left? b) Since probabilities are just relative frequencies, we can fill in the following probability table. All you have to do is read off the chart above. You may need a straight edge to help. One box has been filled in for you to show the idea. 1 3 4 P(x) 0.24 c) Check to make sure that you've accounted for 100% of the data by adding up the second row – you should get 1.00
28. Below is a relative frequency bar chart of the number of children in American households. The horizontal axis is the number of children (o, 1, 2, 3, or 4) and the vertical axis is the fraction of households with that many children. 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 1 2 3 4 a) Describe the shape of this graph: is it uniform, symmetric, skewed right, or skewed left? b) Since probabilities are just relative frequencies, we can fill in the following probability table. All you have to do is read off the chart above. You may need a straight edge to help. One box has been filled in for you to show the idea. 1 3 4 P(x) 0.24 c) Check to make sure that you've accounted for 100% of the data by adding up the second row – you should get 1.00
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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