I’m working on a Algebra exercise and need support.

## Question 1 (5 points)

Prices for the salad bar at some local restaurants are $8.95, $6.50, $12.25, $9.90, $11.00, $8.95, $10.75, and $6.50. Find the mean, median, and mode.

## Question 2 (5 points)

*The spinner shown at right is spun once. Determine the probability of each outcome. Express each probability as a fraction and as a percent. Then describe the likelihood of the event. Write impossible, unlikely, equally likely, likely, or certain. *

*P*(odd)

## Question 3 (5 points)

*Identify the sample as biased or unbiased and describe its type.*

Tia surveyed every third house in the locality to determine the number of people who own pets.

## Question 4 (5 points)

*Find the median of the following set of data. Round to the nearest tenth if necessary.*

26.1, 8.4, 11.4, 44.1, 32.3, 46, 41, 18.5, 20, 9.3, 19.6

## Question 5 (5 points)

Before starting a summer jobs program, the school board conducted a survey at various schools. They interviewed 30% of the high school students to know whether they would participate in the program. The results are shown in the graph.

Is this sampling method valid? If so, how many of 750 students of various high schools are likely to participate in this program?

## Question 6 (5 points)

A number cube is tossed and the spinner below is spun. Find *P*(3 and C).

## Question 7 (5 points)

Matthew has 8 dimes and 10 quarters in a box. Find the probability of drawing a dime.

## Question 8 (5 points)

*In baseball, Shintaro had 4 hits in his last 12 times at bat.*

If Shintaro has 36 at bats in the next week, about how many hits will he have?

## Question 9 (5 points)

*Find the mean of each set of data. Round to the nearest tenth if necessary.*

14, 39, 27, 17, 17, 25, 10, 37

## Question 10 (5 points)

The table shows the number of campsite reservations at two different state parks over the past 10 weekends.

Number of Campsite Reservations |
||||||||||

East Fork |
32 |
36 |
39 |
39 |
43 |
45 |
50 |
51 |
56 |
80 |

Blue Ridge |
38 |
40 |
45 |
47 |
51 |
52 |
60 |
62 |
69 |
73 |

Are there any outliers in the data for either state park?

## Question 11 (5 points)

*Find the range for the set of data.*

101, 72, 115, 114, 117, 56, 101, 68, 111, 58, 51, 51, 90

## Question 12 (5 points)

*Find the probability.*

A marble is randomly selected from a bag containing 15 black, 12 white, and 6 clear marbles. Find

*P*(not clear). Round to the nearest percent if necessary.

## Question 13 (5 points)

*Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.*

14.6, 28.1, 3.9, 7.1, 5.3, 30.9, 2.8, 6.5, 20.8, 16.4, 16.4, 27.1, 53.5, 12.5, 6.1

## Question 14 (5 points)

Nina’s quiz scores for the quarter are 90, 79, 5, 84, 95, 81, 87, and 94. Which measure of central tendency best represents the data shown in the table and why?

## Question 15 (5 points)

The frequency table shows Sam’s record in swimming.

Year |
Number of medals |

2008 |
6 |

2009 |
4 |

2010 |
1 |

2012 |
7 |

2013 |
4 |

Based on this record, what is the probability of picking up a medal won by him in the years 2009 or 2012.

## Question 16 (5 points)

Lionel is apartment hunting. He makes a table of prospective apartment choices.

Apartment Rental Prices | |

Apartment Choice | Price per Month ($) |

1 | 630 |

2 | 755 |

3 | 675 |

4 | 765 |

5 | 690 |

6 | 680 |

7 | 675 |

Which measure of central tendency best represents the data shown in the table and why?

## Question 17 (5 points)

The table shows the number of points scored by each team in a tournament.

Number of Points Scored |
|||

12 |
25 |
16 |
20 |

31 |
16 |
19 |
22 |

Find the mean absolute deviation of the number of points scored. Round to the nearest hundredth if necessary.

## Question 18 (5 points)

*Find the mode of each set of data.*

33, 19, 15, 39, 39, 34, 24, 29

## Question 19 (5 points)

*Find the probability.*

A bag of sweets contains 20 gummy bears and 35 orange slices. One sweet is taken at random from the bag. Find

*P*(gummy bear).

## Question 20 (5 points)

*Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.*

111, 68, 93, 88, 74, 152, 119, 87, 88, 105, 84, 102, 151, 115, 112