WorksheetsUnit 6A-6B Statistics Test EXTRA CREDIT
Total questions: 22
Worksheet time: 6hrs 30mins
Which class has the higher median?
1st period
2nd period
They have the same median
Which class did better on the test?
1st period
2nd period
They both performed the same
How is the data distributed in this histogram?
Symmetrically
Skewed Right
Skewed Left
How is the data distributed in this histogram?
Symmetrically
Skewed Right
Skewed Left
What does the standard deviation tell us about the data set?
How spread out the numbers are
How much each number in the data set increases by
How much each number in the data set decreases by
Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
Calculate the MEDIAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
Calculate the MODE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
Calculate the RANGE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
How many 7th graders had an IQ score in the 81-90 range?
13
6.5
3
42
What was the most common IQ range?
91-100
111-120
12-130
101-110
Calculate the 5 number summary (Min, Q1, Med, Q3, Max) for the following data. You may use technology.
1791, 3162, 6163, 8578, 9400
1791, 3815, 6472, 8924.5, 9400
6197.44
7609
Find the Inter-Quartile Range (IQR). You may use your graphing calculator.
7609
8924.5
2708
5416
If you score 76, 85, 97, and 83 on your last 4 math tests, what would the score of your 5th test have to be to receive a 87 in the class?
94
90
85
88
What does the standard deviation tell us about the data set?
How spread out the numbers are
How much each number in the data set increases by
How much each number in the data set decreases by
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
Roger has the following data:
12, 10, 3, 5, 6
Susan has the following data:
5, 9, 4, 5, 6
Who has the data with the highest median and what is it?
Roger - 6
Susan - 7
Roger - 8
Susan - 5.5
What is the upper quartile(Q3) for both 1st Period and 2nd Period?
80, 85
90, 85
100, 95
90, 92
Carrie is comparing the growth of plants under natural and artificial light sources.
Part A Use the measures of center from the box plots to make an inference about the data.
On average group Q has a greater growth of plants under natural and artificial light sources.
The sets have the same variability related to the growth of plants under natural and artificial light sources.
