SaiBook.us SAT-3

Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Statistics

Grade: Top-SAT3 Lesson: S8-P2

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id	Problem	Options
1	The following data set represents the number of hours studied by 10 students in a week: 5, 7, x, 4, 6, 9, 7, 5, 8, and 6 if the mean is 6.5 and MAD is 1.35. Find the value of x.	A) 15 B) 8 C) 19 D) 10
2	How many weigh 7 pounds? $4$	A) 31 B) 28 C) 26 D) 35
3	Observe the given horizontal bar graph which shows the baking of cakes in a bakery from Monday to Saturday. Find out the day on which the maximum number of cakes were baked. Also, find the number of cakes baked on that day. $3$	A) Saturday, 60 Cakes B) Thursday, 35 Cakes C) Friday, 50 Cakes D) Monday, 15 Cakes
4	Which team has the greatest spread? $2$	A) None B) Both C) Team 1 D) Team 2
5	The population of a small town increased from 1,500 to 1,800 over a year. What is the percentage increase in the population?	A) 28% B) 22% C) 20% D) 25%
6	The following data represents the test scores of 12 students in a class: 78, 80, 82, 85, 88, 90, 91, 92, 94, 96, 98, and 150. Calculate the interquartile range and identify any outliers.	A) IQR: 11.5, Outlier: 157 B) IQR: 12.3, Outlier: 152 C) IQR: 13.5, Outlier: 155 D) IQR: 11.5, Outlier: 150
7	A company’s revenue decreased from $2,000,000 to $1,500,000. What is the percentage decrease?	A) 27% B) 25% C) 30% D) 35%
8	Given the following data set: 12, 15, 22, 29, 35, 42, 49, 53, 60, and 68. Find the five-number summary (Min, Q1, Median, Q3, Max).	A) Min: 12 Q1: 22 Median(Q2): 38.5 Q3: 53 Max: 68 B) Min: 14 Q1: 22 Median(Q2): 38.5 Q3: 55 Max: 69 C) Min: 22 Q1: 29 Median(Q2): 38.5 Q3: 65 Max: 75 D) Min: 12 Q1: 24 Median(Q2): 39.6 Q3: 57 Max: 68
9	What is the angle for the Samsung mobile? $8$	A) 10° B) 80° C) 120° D) 60°
10	What is the average number of cups of coffee sold per day? $9$	A) 29.5 B) 27.3 C) 25.7 D) 31.4

Problem Id

Problem

Options

The following data set represents the number of hours studied by 10 students in a week: 5, 7, x, 4, 6, 9, 7, 5, 8, and 6 if the mean is 6.5 and MAD is 1.35. Find the value of x.

A) 15

B) 8

C) 19

D) 10

How many weigh 7 pounds?

$4$

A) 31

B) 28

C) 26

D) 35

Observe the given horizontal bar graph which shows the baking of cakes in a bakery from Monday to Saturday. Find out the day on which the maximum number of cakes were baked. Also, find the number of cakes baked on that day.

$3$

A) Saturday, 60 Cakes

B) Thursday, 35 Cakes

C) Friday, 50 Cakes

D) Monday, 15 Cakes

Which team has the greatest spread?

$2$

A) None

B) Both

C) Team 1

D) Team 2

The population of a small town increased from 1,500 to 1,800 over a year. What is the percentage increase in the population?

A) 28%

B) 22%

C) 20%

D) 25%

The following data represents the test scores of 12 students in a class: 78, 80, 82, 85, 88, 90, 91, 92, 94, 96, 98, and 150. Calculate the interquartile range and identify any outliers.

A) IQR: 11.5, Outlier: 157

B) IQR: 12.3, Outlier: 152

C) IQR: 13.5, Outlier: 155

D) IQR: 11.5, Outlier: 150

A company’s revenue decreased from $2,000,000 to $1,500,000. What is the percentage decrease?

A) 27%

B) 25%

C) 30%

D) 35%

Given the following data set: 12, 15, 22, 29, 35, 42, 49, 53, 60, and 68. Find the five-number summary (Min, Q1, Median, Q3, Max).

A) Min: 12
Q1: 22
Median(Q2): 38.5
Q3: 53
Max: 68

B) Min: 14
Q1: 22
Median(Q2): 38.5
Q3: 55
Max: 69

C) Min: 22
Q1: 29
Median(Q2): 38.5
Q3: 65
Max: 75

D) Min: 12
Q1: 24
Median(Q2): 39.6
Q3: 57
Max: 68

What is the angle for the Samsung mobile?

$8$

A) 10°

B) 80°

C) 120°

D) 60°

What is the average number of cups of coffee sold per day?

$9$

A) 29.5

B) 27.3

C) 25.7

D) 31.4