Question

:)

Answer 1

yes..would you like help?

Answer 2

Mrs. Smith has taught three, Algebra I classes this year. She just finished grading her final chapter test for the second semester. The raw data is below:
Class A
80
85
87
92
86
90
94
100
75
45
85
Class B:
72
90
85
84
91
78
94
86
82
78
86
Class C:
100
90
94
100
75
30
94
72
85
87
42

Question 1
Analyze the data for Class A and Class B.
Part 1: What is the mean and standard deviation for Classes A and B?
Part 2: Make a box plot of the data for Classes A and B. Identify the median, first and third quartiles, minimum and maximum data points.
Part 3: Explain how the values for Classes A and B vary about the mean and median. What information does this give Mrs. Smith?

Question 2
Analyze and compare the data for Class B and Class C.
Part 1: Make a dot plot for each of Classes B and C.
Part 2: What information is easily seen from the dot plots for Classes B and C?
Part 3: Look at the box plot and dot plot created for Class B. What are the strengths and weaknesses of each type of plot?
Part 4: Which of the two classes (B or C) performed better on the test? Justify your conclusion.

Answer 3

yes! @Catlover5925

Answer 4

@BassCatcher15

Answer 5

do you know how to find quartiles??

Answer 6

you find the median then for each half, find that median

Answer 7

not really :( i suck at math

Answer 8

There's actually a site online that tells you all of that information. Hang on. Let me see if I can find it

Answer 9

Here's class A

Class A:
Population size: 11
Median: 86
Minimum: 45
Maximum: 100
First quartile: 80
Third quartile: 92
Interquartile Range: 12
Mean: 83.5
Standard Deviation: 14.44551
Outlier: 45

Answer 10

Here's class B

Class B:
Population size: 11
Median: 85
Minimum: 72
Maximum: 94
First quartile: 78
Third quartile: 90
Interquartile Range: 12
Outliers: none
Mean: 84.2
Standard Deviation: 6.43

Answer 11

can you do C as well?

Answer 12

yes hang on

Answer 13

Class C:
Population size: 11
Median: 87
Minimum: 30
Maximum: 100
First quartile: 72
Third quartile: 94
Interquartile Range: 22
Outliers: 30 42
Mean: 79
Standard Deviation: 23.2

Answer 14

thanks!

Answer 15

Not a problem.

Answer 16

do you know how to make them into a graph??