60 terms

Data Analysis

STUDY
PLAY
What does the arrow represent?
b
Identify the independent and dependent variable of the following graph. Indicate whether the graph rises, falls, or is constant.
not c
A line graph does NOT:
c
Identify the graph that displays the altitude of a skydiver as he is taken up in a plane and then jumps.
not c
Identify the graph that displays the height of a ping pong ball after it is dropped.
not b
You drive to visit your parents, who live 100 miles away. Your average speed is 50 miles per hour. On arrival, you stay for five hours and then return home, again at an average speed of 50 miles per hour. Which graph depicts your distance from home from the time you leave until you return?
a
A plane that carries mail makes a round trip each day from Chicago to New York. It makes 2 intermediate stops on the way to New York and 3 intermediate stops on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with time on the horizontal axis and altitude on the vertical axis. How many times will the graph touch the horizontal axis?
not c
Which graph is the most appropriate to use to describe a quantity decreasing at a steady rate?
c
Which story best describes the graph below?
b
The graph below shows how the cost of gasoline changes over one month. According to the graph, the cost of gasoline ________ decreases.
b
The table below shows the amount of money spent on skin diving and scuba equipment in some recent years.
D
The table below shows the approximate percent of students who sent applications to two colleges in various years since 1985. What do the slope and y-intercept indicate?
NOT C
The table below shows the approximate percent of students who sent applications to two colleges in various years since 1985. How well does the line fit the data?
A
The table below shows the average SAT math scores from 1993-2002. Using the data from the table determine if there is a linear trend between the year and the average SAT math scores and determine if there is an exact linear fit of the data. Describe the linear trend if there is one.
NOT D
Using the data from the table, choose which set of axes and which set of ordered pairs you would use to plot the data.
NOT B
Choose the correct statement about best-fit lines.
A
Write an equation for the line of best fit. Then predict the number of milk cow operations in the year 2005.
B
Write an equation for the line of best fit and then predict how much money travelers will spend in 2008.
NOT D
Using the data from the table, choose which set of axes and which set of ordered pairs you would use to plot the data.
The table below shows the scoring averages for the players on the Supersonics intramural basketball team last season.
NOT B
When data is displayed with a scatter plot, it is often useful to attempt to represent that data with the equation of a straight line. What is this line called and what is its purpose?
NOT A
Make a circle graph for each set of data. Top 5 Biggest U.S. Employers
b
Make a circle graph for each set of data.
Top-Selling U.S. Kids' Magazines as of 2002
b
The circle graph shows the favorite hobbies of students in Mrs. Chung's classroom.
reading
Make a circle graph for each set of data.
Top 5 Most Linked-To Sites on the World Wide Web
c
The following chart presents the number of new and abandoned hazardous waste sites found in various regions in the United States by the 1990s.
d
Make a circle graph for each set of data.
Costliest Natural Disasters in the U.S.
b
Make a circle graph for each set of data.
submarines
not c
A bar graph can be displayed in many ways. Which of the following does NOT represent a bar graph?
b
Make a circle graph for each set of data.
Top 5 Countries With the Most Post Offices as of 2001
not d
The bar graph in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total imports from total exports; a negative net export means the country imported more goods than it exported.
d
The following table gives the number of chicken pox cases after 1988. The variable x represents the number of years after 1988. The variable y represents the number of cases in thousands.
b
Determine whether the graph shows a positive correlation, a negative correlation, or no correlation. If there is a positive or negative correlation, describe its meaning in the situation. Domestic Traveler Spending in the U.S., 1987-1999
a
On a scatter plot, what does it mean when both variables are increasing?
a
Determine whether the graph shows a positive correlation, a negative correlation, or no correlation. If there is a positive or negative correlation, describe its meaning in the situation. Consumer Price Index, 1950-2002
b
The scatter plot shows the study time and test scores for the students in Mrs. Johnson's English Literature class.
c
In a scatter plot or diagram, what is it called when all the points lie approximately along a straight line?
b
Determine whether the graph shows a positive correlation, a negative correlation, or no correlation. If there is a positive or negative correlation, describe its meaning in the situation. United States Birth Rate (per 1000)
d
Determine whether the graph shows a positive correlation, a negative correlation, or no correlation. If there is a positive or negative correlation, describe its meaning in the situation. People Entering Amusement Park
c
Suppose you were to create a scatter plot of the data for speed and distance traveled. Would you expect to see a positive, negative , or no relationship betwen the two variables. Explain your answer.
not d
Determine whether the graph shows a positive correlation, a negative correlation, or no correlation. If there is a positive or negative correlation, describe its meaning in the situation.
cars passing
c
Which measure of central tendency should be used when there is an outlier?
c
This list shows the number of years that 99 U.S. Supreme Court Justices served.
d
A large construction company wants to review the ages of its sales representatives. A sampling of the ages of 25 sales reps are given:
a
This list shows the lengths in feet of the 25 longest bridges in the United States.
not c
This list shows the heights in feet of the 30 tallest mountains in the United States.
b
Sunshine Raisin Company sells snack-sized boxes of raisins. Twenty boxes were randomly selected and the raisins were counted. The results are shown in the list below.
d
This list shows the age at which 43 U.S. Presidents began their terms.
not d
A high school gym class was jumping rope. They wanted to know how many jumps each student could make before they missed. The results are listed below.
c
A random survey was taken in Centerville. People in twenty-five homes were asked how many cars were registered to their household. The results are shown in the list below.
a
This list shows the age at which 38 U.S. Presidents died.
not b
The table below shows the scores on a math test.
Find the standard deviation. Round to the nearest tenth when necessary.
b 12.5
What is the box-and-whiskers plot used to show?
not c
On a box-and-whiskers plot, what does line segment 2 represent?
c
Determine the standard deviation 4072-02-01-06-00_files/i0360000.jpgby filling in the table as part of your calculation.
not c
Compute the standard deviation for the set of data.
13.3, 14.3, 15.3, 16.3, 17.3
a
Mickey Mantle played for the New York Yankees for 18 years. Here is the number of home runs by Mantle per year:
not a
Make a visual display of the scores.
not b
A student takes ten exams during a semester and receives the following grades: 90, 85, 97, 76, 89, 58, 82, 102, 70, and 67. Find the five-number summary used in a boxplot. Which boxplot best represents the data?
d
The table below shows the scores on a math test.
The number of standard deviations between a score and the mean score is indicated by a z-score. What was Ashley's z-score on the math test?
not b
Eight adults are surveyed and asked how many credit cards they possess. Their responses are 4, 0, 3, 1, 5, 2, 2, and 3. Complete the table below.
c