Twa kɔ nsɛm atitiriw so
Log in
Sign up for FREE
arrow_back
Laabri

1.3-1.5 Quiz Review

star
star
star
star
star
Last updated 10 months ago
20 Nsɛmmisa

Answer all the questions you are able to. Do the questions you know how to do first and then go back to the ones that were difficult. Each question is worth a different value.

1
1
1
1
Ɛhia
2
3
2
4
1
1
1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Select all that apply to describe the association of this scatterplot. Choose two options

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Drag each item to the correct description of the relationship.

  • Positive

  • Negative

  • None

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Move the graphs to their appropriate description.

  • Item 1

  • Too High

  • Too Low

  • Just Right

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

A scatter plot was constructed on the graph below and a line of best fit was drawn. What is the equation of this line of best fit?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Determine if the following are essential or discretionary expenses

  • concert tickets

  • Medicine for heart disease

  • Water Bill

  • going to Disneyland

  • car to travel to work

  • rent/mortgage

  • going to a restaurant for a birthday

  • jewelry

  • Essential Expenses

  • Discretionary Expenses

Below are the prices of the shoes Vanessa's mom found online. Determine the table value, the range, the variance, and the standard deviation.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Determine the mean price of shoes. Don't forget your dollar sign and 2 decimal places!

1
Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Determine the range of the prices. Dollar sign!!

1
Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Determine the variance.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Determine the standard deviation.

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Select the correlation values that show a weak condition:

Hint: There are 3

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Select the correlation values that show a strong condition:

Hint: there are 3

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

The correlation coefficient, r, is given for several different linear models for a data set. Sort the r values from best fit (top) to worst fit (bottom).

  1. -0.92

  2. 0.09

  3. -0.75

  4. -0.45

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

Determine if the situation is causation or correlation.

  • The amount of dark clouds increases and the grades on tests decrease.

  • the amount one lifts and the muscle created.

  • the faster the speed when you drive and the increase in skateboarders at the park.

  • Causation

  • Correlation

Domestic travel during summer vacation can get

pricey. The average cost per person for food, lodging, and airfare averages $540 per person with a standard deviation of $80.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
15.

Determine the z score value of someone who spent $480 per person for their vacation? Round two decimal places.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
16.

What percentage is represented by the family who spent $480 per person? Round one decimal place. Don't forget percentage sign.

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

Given that the variance of $8,720, what is the standard deviation?

1
Asemmisa {{asɛmmisaAhyɛnsode}}
18.

The graph to the left shows the amount of money spent on Apps in billions. What is the line of best fit?

1
Asemmisa {{asɛmmisaAhyɛnsode}}
19.

What is the regression value?

1
Asemmisa {{asɛmmisaAhyɛnsode}}
20.

The graph to the left shows the amount of money spent on Apps in billions. Using extrapolation(algebra), determine how much money would be spent in 2030? Round to the nearest tenth in BILLIONS!!!