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

Chapter 1 review

star
star
star
star
star
Last updated almost 2 years ago
55 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
Ɛhia
2
3
1
1
5.9.C
1
5.9.C
2
4
1
1
1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Drag each item to the correct description of the relationship.

  • Positive

  • Negative

  • None

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Move the graphs to their appropriate description.

  • Item 1

  • Too High

  • Too Low

  • Just Right

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

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}}
5.

Determine if the following are essential or discretionary expenses

  • Eating out

  • Vacation

  • transportation (subway, car, train)

  • Shelter

  • Electric Bill

  • Designer Jeans

  • Medicine for Diabetes

  • Movie tickets

  • Essential Expenses

  • Discretionary Expenses

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

How well do you know mean, median, mode, and range?

Match the word on the left to the definition on the right.

  • Range

  • Median

  • Mean

  • Mode

  • the numerical average of the data given

  • the middle of the set after the set is in numerical order

  • the value(s) that occur the most often; possible none.

  • the spread of the data

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Use the frequency table below.

How many people were in this survey?

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Use the frequency table below.

Students vote for their favorite location for a field trip. What location had the highest frequency of votes?

1
0.2
0.2
0.2
0.2
0.2
1
1
1
Ɛhia
1
Asemmisa {{asɛmmisaAhyɛnsode}}
18.

Find the mean. Round to the nearest cent.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
19.

Find the median. Round to the nearest cent

1
Asemmisa {{asɛmmisaAhyɛnsode}}
20.

Find the mode. Round to the nearest dollar.

Accountants earn the following incomes:

$63,000 $79,200 $104,300 $89,000 $165,000

Find the following measures:

Mean: _____________ Median: _____________

0.5
Asemmisa {{asɛmmisaAhyɛnsode}}
21.

What is the mean? Round to the nearest dollar. (no decimals)

0.5
Asemmisa {{asɛmmisaAhyɛnsode}}
22.

What is the median? Round to the nearest dollar. (no decimals)

1
Asemmisa {{asɛmmisaAhyɛnsode}}
23.

What is a better representation of the accountant incomes, the mean or median? Explain your answer.

0.2
Asemmisa {{asɛmmisaAhyɛnsode}}
24.

Find the total amount earned for clerical assistant.

0.2
0.2
0.2
0.2
0.2
1
0.2
Asemmisa {{asɛmmisaAhyɛnsode}}
31.

Find the frequency of 13 year olds surveyed.

0.2
Asemmisa {{asɛmmisaAhyɛnsode}}
32.

Find the frequency of 14 year olds surveyed.

0.2
0.2
0.2
0.2
0.8
Asemmisa {{asɛmmisaAhyɛnsode}}
38.

Select the correlation values that show a weak condition:

Hint: there are 3

Asemmisa {{asɛmmisaAhyɛnsode}}
39.

Select the correlation values that show a strong correlation:

Hint: there are 3

Asemmisa {{asɛmmisaAhyɛnsode}}
40.

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. 0.01

  2. -0.34

  3. -0.82

  4. -0.95

0.5
Asemmisa {{asɛmmisaAhyɛnsode}}
41.

Find the total number of lunches served.

0.2
0.2
0.2
0.2
0.2
1
0.5
Asemmisa {{asɛmmisaAhyɛnsode}}
49.

Determine if the situation is causation or correlation.

  • The amount of shoes bought and the amount of starbucks bought.

  • the amount one sweats and the temperature outside

  • the speed you drive and the amount of rain there is

  • Causation

  • Correlation

Domestic travel during summer vacation can get

pricey. The average cost per person for food, lodging, and airfare averages $790 per person with a standard deviation of $120.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
50.

Determine the z score value of someone who spent $780 per person for their vacation?

1
Asemmisa {{asɛmmisaAhyɛnsode}}
51.

What percentage is represented by the family who spent $780 per person?

Asemmisa {{asɛmmisaAhyɛnsode}}
52.

Given that the variance of $7,504, what is the standard deviation?

On average the weather in El Centro, California averages 107 degrees Fahrenheit during the month of July. The standard deviation is 3.4 degrees.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
53.

What percentage of days were 105 degrees or less?

1
Asemmisa {{asɛmmisaAhyɛnsode}}
54.

What percentage of days were 111 degrees or more?

1
Asemmisa {{asɛmmisaAhyɛnsode}}
55.

What percent of days was the weather between 105 and 111 degrees in July?

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

What is the mean? Round to the nearest tenth. (One decimal place!)

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Type answer to deviation of 92. Round to the nearest tenth. (One decimal place!)

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Type answer to the deviation of 55. Round to the nearest tenth. (One decimal place!)

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Type answer to the deviation of 67. Round to the nearest tenth. (One decimal place!)

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

Type answer to the squared deviation of 88. Round to the nearest tenth! (one decimal place)

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

Type answer to the squared deviation of 78 here. Round to the nearest tenth! (one decimal place)

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

What is the range of the science test?

Asemmisa {{asɛmmisaAhyɛnsode}}
16.

What is the variance of the table? Round to the nearest tenth! (one decimal place)

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

What is the standard deviation? Round to the nearest tenth! (one decimal place)

Asemmisa {{asɛmmisaAhyɛnsode}}
25.

Find the total amount earned for lifeguard.

Asemmisa {{asɛmmisaAhyɛnsode}}
26.

Find the total amount earned for rec leader.

Asemmisa {{asɛmmisaAhyɛnsode}}
27.

Find the total amount earned for basketball coach.

Asemmisa {{asɛmmisaAhyɛnsode}}
28.

Find the total amount earned for day camp leader.

Asemmisa {{asɛmmisaAhyɛnsode}}
29.

Find the total amount earned for sports referee.

Asemmisa {{asɛmmisaAhyɛnsode}}
30.

Is the data bimodal?

Asemmisa {{asɛmmisaAhyɛnsode}}
33.

Find the frequency of 15 year olds surveyed.

Asemmisa {{asɛmmisaAhyɛnsode}}
34.

Find the frequency of 16 year olds surveyed.

Asemmisa {{asɛmmisaAhyɛnsode}}
35.

Find the frequency of 17 year olds surveyed.

Asemmisa {{asɛmmisaAhyɛnsode}}
36.

Find the frequency of 18 year olds surveyed.

Asemmisa {{asɛmmisaAhyɛnsode}}
37.

Find the percentile rank of 15-year-olds surveyed. Round up to the nearest whole percent.

Asemmisa {{asɛmmisaAhyɛnsode}}
42.

Find the relative frequency for 2017. (round 2 decimal places)

Asemmisa {{asɛmmisaAhyɛnsode}}
43.

Find the relative frequency for 2019. (round 2 decimal places)

Asemmisa {{asɛmmisaAhyɛnsode}}
44.

Find the cumulative frequency for 2016.

Asemmisa {{asɛmmisaAhyɛnsode}}
45.

Find the cumulative frequency for 2018.

Asemmisa {{asɛmmisaAhyɛnsode}}
46.

Find the cumulative frequency for 2020.

Asemmisa {{asɛmmisaAhyɛnsode}}
47.

What percent of lunches were served in 2018? (round to the whole percent)

Asemmisa {{asɛmmisaAhyɛnsode}}
48.

How many lunches were served in 2018 and prior (before)?