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Quiz In Class

Title: One Variable Data

Grade Lesson s6-l1

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

Id	Name	Note
1	The mean of five observations is 4.4, and their variance is 8.24. Given that three of the observations are 1, 2, and 6, find the other two observations.	A) 6 and 8 B) 4 and 9 C) 5 and 10 D) 8 and 6
2	Determine the states that have administered first doses above and below the median number of doses. How many states fall into each category? $2$	A) 18 states B) 20 states C) 16 states D) 15 states
3	The scatter plot displays the distance and density of planetoids in the inner solar system. A trend line illustrates the general relationship between these two variables. Find the equation for the trend line is derived from the scatter plot. $3$	A) y = -0.833x + 5.733 B) y = -0.853x + 5.738 C) y = 0.833x - 5.733 D) y = 2.833x + 5.738
4	The line graph above illustrates the number of 3-D movies released each year. Please calculate the total number of 3-D movies released during this period 2009 to 2010. $4$	A) 125 B) 105 C) 110 D) 50
5	Calculate the slope of the line of best fit. $5$	A) 6 B) 4 C) 2 D) 8
6	Given the numbers 120, 264, 368, 117, and x, the mean and the median of these five numbers are equal. What is a possible value of x?	A) 458 B) 453 C) 457 D) 451
7	The weights of five students are 50 kg, 55 kg, 60 kg, 65 kg, and 70 kg. Calculate the mean weight of these students.	A) 65 kg B) 60 kg C) 70 kg D) 75 kg
8	The following data shows the number of books read by students in a month: 2, 4, 1, 3, 5, 2, 3, and 2. Find the median number of books read.	A) 2.5 B) 4 C) 6 D) 8
9	Which statement accurately compares the means of data sets A and B? $9$	A) The mean of each data set is 2 B) The mean of each data set is 4 C) The mean of data set A is less than the mean of data set B D) The mean of data set A is greater than the mean of data set B
10	For a school fundraiser, ten students sold a total of ninety boxes of cookies. Which of the following can be calculated from this information?	A) The least number of boxes sold by one student B) The greatest number of boxes sold by one student C) The average number of boxes sold per student D) The median number of boxes sold per student

Name

Note

The mean of five observations is 4.4, and their variance is 8.24. Given that three of the observations are 1, 2, and 6, find the other two observations.

A) 6 and 8

B) 4 and 9

C) 5 and 10

D) 8 and 6

Determine the states that have administered first doses above and below the median number of doses. How many states fall into each category?

$2$

A) 18 states

B) 20 states

C) 16 states

D) 15 states

The scatter plot displays the distance and density of planetoids in the inner solar system. A trend line illustrates the general relationship between these two variables. Find the equation for the trend line is derived from the scatter plot.

$3$

A) y = -0.833x + 5.733

B) y = -0.853x + 5.738

C) y = 0.833x - 5.733

D) y = 2.833x + 5.738

The line graph above illustrates the number of 3-D movies released each year. Please calculate the total number of 3-D movies released during this period 2009 to 2010.

$4$

A) 125

B) 105

C) 110

D) 50

Calculate the slope of the line of best fit.

$5$

A) 6

B) 4

C) 2

D) 8

Given the numbers 120, 264, 368, 117, and x, the mean and the median of these five numbers are equal. What is a possible value of x?

A) 458

B) 453

C) 457

D) 451

The weights of five students are 50 kg, 55 kg, 60 kg, 65 kg, and 70 kg. Calculate the mean weight of these students.

A) 65 kg

B) 60 kg

C) 70 kg

D) 75 kg

The following data shows the number of books read by students in a month: 2, 4, 1, 3, 5, 2, 3, and 2. Find the median number of books read.

A) 2.5

B) 4

C) 6

D) 8

Which statement accurately compares the means of data sets A and B?

$9$

A) The mean of each data set is 2

B) The mean of each data set is 4

C) The mean of data set A is less than the mean of data set B

D) The mean of data set A is greater than the mean of data set B

For a school fundraiser, ten students sold a total of ninety boxes of cookies. Which of the following can be calculated from this information?

A) The least number of boxes sold by one student

B) The greatest number of boxes sold by one student

C) The average number of boxes sold per student

D) The median number of boxes sold per student