Ch 12 Review Walk Through
Presentation
•
Mathematics
•
12th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
David Ho
Used 6+ times
FREE Resource
18 Slides • 9 Questions
1
Ch 12 Statistic Unit Test
Walk-Through
2
Stem Plots (look for a key)
= 09, 12, 19, 22, 26, 28, 31, 32, 33, 39, 43
3
Frequency Tables
= 1, 5, 5, 5, 6, 6, 6, 7, 7, 9, 10
4
Bar Graphs
= 18, 19, 17, 17, 15, 16, 12, 17, 21
5
Math Response
Find the mode of the Bar Graph.
6
Box Plots
Q0 = 3
Q1 = 5
Q2 = 6.5
Q3 = 8
Q4 = 11
7
Box Plots
Q0 = 3
Q1 = 5
Q2 = 6.5
Q3 = 8
Q4 = 11
25%
25%
25%
25%
8
Multiple Choice
Find the Quartile 3 of the box and whisker plot.
58
64
60
66
9
Multiple Choice
What percentage of the heights are shorter than 60 inches?
75
50
60
25
10
Give the Q1 for the data set.
11
12
13
Desmos Commands
Q4 - quartile(x1,4) also Q0, Q1, Q2, Q3
Mean - mean(x1)
Standard Deviation - stdev(x1)
Box Plot - boxplot(x1)
Linear Regression - y1~x1m + b
to find m, b, r
14
Multiple Choice
Given the data: 136, 150, 119, 150, 125, 140.
Find the upper quartile (Q3).
15
Center
Mean
Median
Mode
Spread
Range
Interquartile range
Variance
Standard Deviation
16
Center
Mean
Median
Mode
for catagories like
color
candy
favorite school subject
17
The weight of babies born in the United States is assumed to be normally distributed. The mean weight of babies born in the U. S. is 7 pounds 9 ounces or 121 ounces with a standard deviation of 17 ounces. What percent of the babies are between 138 and 155 ounces?
18
The weight of babies born in the United States is assumed to be normally distributed. The mean weight of babies born in the U. S. is 7 pounds 9 ounces or 121 ounces with a standard deviation of 17 ounces. What percent of the babies are between 138 and 155 ounces?
1. Find z-score for 155 and 138
2. Find % from table
3. Big % minus small %
19
Fill in the Blanks
20
Multiple Choice
21
SD = 7
+7
+7
+7
+7
+7
+7
22
Multiple Choice
23
24
25
1.0
0.9
0.7
0.5
0.3
0.0
-0.3
-0.7
-1.0
Positive Perfect
Positive Very Strong
Positive Somewhat Strong
Positive Weak
Positive Very Weak
No Correlation
Negative Very Weak
Negative Somewhat Strong
Negative Perfect
26
Multiple Choice
What is the z-score for an 18-year-old in a group of people with the following ages?
15, 17, 20, 23, 24, 25, 30
-0.78
-0.81
1.25
3.1
27
Fill in the Blanks
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Ch 12 Statistic Unit Test
Walk-Through
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