probability and statics, statistics homework help

probability and statics, statistics homework help

Unit 1 Lesson 1 Assignment

1)  Here is a small part of a data set that describes major league baseball players as of opening day of the 1998 season.

Player

Team

Position

Age

Salary

Perez, Eduardo

Reds

First Base

28

300

Perez, Neifi

Rockies

Shortstop

23

210

Pettitte, Andy

Yankees

Pitcher

25

3750

Piazza, Mike

Dodgers

Catcher

29

8000

  a) What individuals does the data set describe?

  b) In addition to the player’s name, how many variables does the data set contain? Which of these variables are categorical and which are quantitative?

2)  The number of deaths among persons aged 15 to 24 years in the United States in 1997 due to the seven leading causes of death for this age group were: accidents 12958, homicide 5793, suicide 4146, cancer 1538, heart disease 1013, congential defects 383, and AIDS 276.

  a) create a bar graph to display this data using the counts

 

  b) What additional information is needed to make a pie chart?

3)  There are 117 students voted on their favorite food for lunch.  48 students chose pizza,  12 chose PB & J, 25 chose tacos, 20 chose chicken fingers. 

  a) How many students chose something other than the foods listed?

  b) create a bar graph based on counts

4)  There are 781 freshman at West Lake High School. On the first day of school they were asked what their favorite subject was. The following were the results of the survey:

History – 401  Math-  128  English- 97  Science-  51

  a)  How many students voted for something other than the 4 choices listed above?

  b)  Find the percent for each subject, and be sure to include the other category.

  c)  Is it appropriate to create a pie chart? Why or why not?

  d)  Create a bar graph based on percents.