Let's See Your Understanding Of Statistics In This Quiz

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| By Tsaimingchin

Tsaimingchin

Community Contributor

Quizzes Created: 1 | Total Attempts: 184

Questions: 5 | Attempts: 184 | Updated: Mar 21, 2023

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Questions and Answers

1.

Students A,B and C took part in a recent quiz. Student A scored 50 points, Student B scored 60 points and Student C scored 70 points. What is the mean of this quiz?
- A.
  
  60
- B.
  
  50
- C.
  
  70
Correct Answer
A. 60

Explanation
The mean of the students' score is (A's Score + B's Score + C's Score) ÷ (The Number of Students)
= (50 + 60 + 70) ÷ 3
= 60

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2.

7 Contestants of a Science Competition have reached the semi-finals. After the semi-finals, their score are of below. Those whose score is lower than the median will not be able to enter the finals, so who managed to enter the finals?Here is the list of contestants:Andy - 70 Points Bella - 50 Points Cindy - 65 Points Dawn - 90 Points Edward - 55 Points Fan - 85 Points Gerald - 100 Points
- A.
  
  Bella, Cindy and Edward
- B.
  
  Andy, Dawn, Fan and Gerald
- C.
  
  Andy, Bella, Cindy and Edward
Correct Answer
B. Andy, Dawn, Fan and Gerald

Explanation
When you arrange the scores in ascending order, Andy's score is in the middle, which is the median. Thus, those whose scores are equal to Andy's or higher would be able to enter the finals.

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3.

A teacher had 5 students who took a test. Their test scores are as follows: 62, 86, 72, 66, 72. What is the mode of the test?
- A.
  
  72
- B.
  
  86
- C.
  
  62
Correct Answer
A. 72

Explanation
72 is the mode as it is the only number which appears twice, which is the highest number of appearance among the test scores.

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4.

Statistics are used in:A: StudiesB: SportsC: PollsD: FoodE: Weather Forecasts
- A.
  
  A, C and E
- B.
  
  A, B, C and E
- C.
  
  A, B, C, D, and E
Correct Answer
C. A, B, C, D, and E

Explanation
Needless to say, statistics are used in Studies, Polls and Weather Forecasts. However some people do not realize that statistics is also involved in Sports and Food. In Sports, the points scored etc. being calculated is a form of statistics, and there are nutrition calculations of food as well which is also a form of statistics. In fact, statistics are used in almnost everything!

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5.

Statistics are used to:A: Analyze a numerical dataB: Find out more from a certain numerical dataC: Help us learn better
- A.
  
  A and B
- B.
  
  A, B and C
- C.
  
  B and C
Correct Answer
B. A, B and C

Explanation
Statistics are used to analyze a numerical data, find out more from a certain numerical data and to help us learn better through these processes.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Jun 25, 2010

Quiz Created by
Tsaimingchin

Let's See Your Understanding Of Statistics In This Quiz

Students A,B and C took part in a recent quiz. Student A scored 50 points, Student B scored 60 points and Student C scored 70 points. What is the mean of this quiz?

A teacher had 5 students who took a test. Their test scores are as follows: 62, 86, 72, 66, 72. What is the mode of the test?

Statistics are used in:A: StudiesB: SportsC: PollsD: FoodE: Weather Forecasts

Statistics are used to:A: Analyze a numerical dataB: Find out more from a certain numerical dataC: Help us learn better