Statistics Unit Review 2
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Laura RIGBY
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is discrete, numerical data?
Heights of students in a class
Number of years of piano lessons
Hair colours of a Year 9 class
Grades obtained in an English examination
Prices for 4 different sizes of pizza at various restaurants
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mean and the mode of the data set shown below is:
10 and 10 respectively
8 and 10 respectively
8.5 and 10 respectively
10 and 11 respectively
Cannot be determined from the given information
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following are the number of text messages some students send to each other on a daily basis. The median score is: 28, 24, 30, 28, 26, 15, 21, 19, 30, 28, 31
26
28
27.5
29
30
Tags
CCSS.6.SP.B.5C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The class average in a Mathematics test is 72.4. If there are 20 students in the class and the total score of the top 19 students was 1440, the lowest score in the class was:
8
18
36
37
Cannot be determined from the given information.
Tags
CCSS.6.NS.B.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A data set has 120 scores and a mean score of 65.3. What is the total of the 120 scores?
653
6530
7836
78 360
None of the above
Tags
CCSS.6.SP.B.5C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 18 is added to the data set below, which of the following statements is true?
The mode increases.
The mean decreases.
The median increases.
The range increases.
The mean increases.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a certain data set the maximum value is 98 and the range is 63. What is the minimum value?
35
36
37
38
Tags
CCSS.7.EE.B.3
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