AnswersFinancial MathExpenses Data

Expenses Data — Quiz Answers

34 verified answers6 views
21
Free Preview

Anika spent $500, $550, and $600 on her three vacations this year. What is the range of her vacation expenses?

A
$200
B
$50
C
$150
D
$100
22
Free Preview

Given the data set: {4,6,8} , calculate the standard deviation. Use the following formula to calculate standard deviation: sigma is equal to square root of the fraction with numerator the sum from i is equal to 1 to n of open paren x sub i minus m close paren squared and denominator n end root where x sub i is each data point, and n is the number of data points.

A
1 point 5
B
1 point 6 3
C
2
D
2 point 6 7
23

Over the past three years, Freddie's car maintenance sessions cost $⁢250 , $⁢270 , and $⁢260 What is the standard deviation? Use the following formula for Standard Deviation: sigma is equal to square root of the fraction with numerator the sum from i is equal to 1 to n of open paren x sub i minus m close paren squared and denominator n end root where x sub i is each data point, and n is the number of data points.

A
0 point 0 0
B
8 point 1 6
C
9 point 4 2
D
4 point 7 1
24

Soraya recorded her weekly expenses on groceries and transportation for three weeks. The data is as follows: Week Groceries ($) Transportation ($) Week 1 80 50 Week 2 90 55 Week 3 85 60 Which stacked bar graphs accurately depicts Soraya's weekly expenses?

A
Image with description A stacked graph shows month labeled Week 1 to Week 3 on the x-axis and expenses (in dollars) on the y-axis labeled 20 to 180. Each bar is divided into two sections Transportation and Groceries. In week 1, the transportation expense is around 50 and the groceries expense ranges from 50 to 130. In week 2, the transportation expense is around 55 and the groceries expense ranges from 55 to 145. In week 3, the transportation expense is around 60 and the groceries expense ranges from 60 to 145.
B
Image with description A stacked graph shows month labeled Week 1 to Week 3 on the x-axis and expenses (in dollars) on the y-axis labeled 20 to 180. Each bar is divided into two sections Transportation and Groceries. For all three weeks, the transportation expense is around 50 and the groceries expense ranges from 50 to 130.
C
Image with description A stacked graph shows month labeled Week 1 to Week 3 on the x-axis and expenses (in dollars) on the y-axis labeled 20 to 180. Each bar is divided into two sections Transportation and Groceries. In week 1, the transportation expense is around 80 and the groceries expense ranges from 80 to 160. In week 2, the transportation expense is around 90 and the groceries expense ranges from 90 to 180. In week 3, the transportation expense is around 95 and the groceries expense ranges from 95 to 170.
D
Image with description A stacked graph shows month labeled Week 1 to Week 3 on the x-axis and expenses (in dollars) on the y-axis labeled 20 to 180. Each bar is divided into two sections Transportation and Groceries. In week 1, the transportation expense is around 80 and the groceries expense ranges from 80 to 160. In week 2, the transportation expense is around 90 and the groceries expense ranges from 90 to 180. In week 3, the transportation expense is around 85 and the groceries expense ranges from 85 to 170.
25

Given the data set: {4,6,8} , calculate the standard deviation. Use the following formula to calculate standard deviation: sigma is equal to square root of the fraction with numerator the sum from i is equal to 1 to n of open paren x sub i minus m close paren squared and denominator n end root where x sub i is each data point, and n is the number of data points.

A
1 point 6 3
B
2
C
2 point 6 7
D
1 point 5
26

Irene's grocery bills for two years (24 months) had a standard deviation of $15. If the lowest bill was $100 and the highest was $140, what is the range of her grocery bills?

A
$45
B
$40
C
$30
D
$35
27

Soraya recorded her weekly expenses on groceries and transportation for three weeks. The data is as follows: Week Groceries ($) Transportation ($) Week 1 80 50 Week 2 90 55 Week 3 85 60 Which stacked bar graphs accurately depicts Soraya's weekly expenses?

A
Image with description A stacked graph shows month labeled Week 1 to Week 3 on the x-axis and expenses (in dollars) on the y-axis labeled 20 to 180. Each bar is divided into two sections Transportation and Groceries. In week 1, the transportation expense is around 50 and the groceries expense ranges from 50 to 130. In week 2, the transportation expense is around 55 and the groceries expense ranges from 55 to 145. In week 3, the transportation expense is around 60 and the groceries expense ranges from 60 to 145.
B
Image with description A stacked graph shows month labeled Week 1 to Week 3 on the x-axis and expenses (in dollars) on the y-axis labeled 20 to 180. Each bar is divided into two sections Transportation and Groceries. In week 1, the transportation expense is around 80 and the groceries expense ranges from 80 to 160. In week 2, the transportation expense is around 90 and the groceries expense ranges from 90 to 180. In week 3, the transportation expense is around 95 and the groceries expense ranges from 95 to 170.
C
Image with description A stacked graph shows month labeled Week 1 to Week 3 on the x-axis and expenses (in dollars) on the y-axis labeled 20 to 180. Each bar is divided into two sections Transportation and Groceries. For all three weeks, the transportation expense is around 50 and the groceries expense ranges from 50 to 130.
D
Image with description A stacked graph shows month labeled Week 1 to Week 3 on the x-axis and expenses (in dollars) on the y-axis labeled 20 to 180. Each bar is divided into two sections Transportation and Groceries. In week 1, the transportation expense is around 80 and the groceries expense ranges from 80 to 160. In week 2, the transportation expense is around 90 and the groceries expense ranges from 90 to 180. In week 3, the transportation expense is around 85 and the groceries expense ranges from 85 to 170.
28

Over the past three years, Freddie's car maintenance sessions cost $⁢250 , $⁢270 , and $⁢260 What is the standard deviation? Use the following formula for Standard Deviation: sigma is equal to square root of the fraction with numerator the sum from i is equal to 1 to n of open paren x sub i minus m close paren squared and denominator n end root where x sub i is each data point, and n is the number of data points.

A
4 point 7 1
B
9 point 4 2
C
0 point 0 0
D
8 point 1 6
29

Cleo paid monthly rents of $800, $820, $825, $810, and $825 over the last five years. What is the interquartile range (IQR) of her rents?

A
$20
B
$25
C
$15
D
$10
30

Cleo paid monthly rents of $800, $820, $825, $810, and $825 over the last five years. What is the interquartile range (IQR) of her rents?

A
$15
B
$25
C
$10
D
$20
31

The table shows the monthly utility expenses of a household over a year. Monthly Utility Expenses in Household Z (in USD) Month Expenses (USD) January $220 February $210 March $205 April $200 May $190 June $185 July $180 August $182 September $190 October $195 November $200 December $215 Which type of graph would best represent the monthly utility expenses of Household Z over a year, and why?

A
Pie chart, because it shows parts of a whole.
B
Line graph, because it can show trends over time.
C
Scatter plot, because it shows the relationship between two variables.
D
Histogram, because it shows the frequency of expenses.
32

The table shows the monthly utility expenses of a household over a year. Monthly Utility Expenses in Household Z (in USD) Month Expenses (USD) January $220 February $210 March $205 April $200 May $190 June $185 July $180 August $182 September $190 October $195 November $200 December $215 Which type of graph would best represent the monthly utility expenses of Household Z over a year, and why?

A
Line graph, because it can show trends over time.
B
Scatter plot, because it shows the relationship between two variables.
C
Pie chart, because it shows parts of a whole.
D
Histogram, because it shows the frequency of expenses.
33

Irene's grocery bills for two years (24 months) had a standard deviation of $15. If the lowest bill was $100 and the highest was $140, what is the range of her grocery bills?

A
$30
B
$45
C
$40
D
$35
34

Hugo's health expenses for the year were: $200, $210, $220, $215, $210, $225, $215, $205, $220, $210, $215, $230. What is the IQR of his health expenses?

A
$20
B
$10
C
$15
D
$5

Did you find these answers helpful?

More from this Course

Quiz
20 verified answers

Quiz

Quiz
37 verified answers

Quiz

Quiz
20 verified answers

Quiz