Exam 7: Statistics and Probability

The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes. -Student Council President The circle graph shows what percent of the vote each person received. How many people voted for someone other than Ben?

The bar graph shows the number of tickets sold each week by the garden club for their annual flower show. -During which week was the most number of tickets sold?

Draw a tree diagram to find the number of possible outcomes. -Toss two coins.

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. -During which hour did the temperature increase the most?

Find the probability of the event. -Two dice are rolled. What is the probability that the sum of the two numbers on the dice will be greater than 9?

The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes. - The circle graph shows what percent of the vote each person received. Who got the most votes?

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. -What temperature was recorded at 4 p.m.?

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. -At what time was the temperature its lowest?

The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes. -Student Council President The circle graph shows what percent of the vote each person received. What percent of the votes did Ben NOT get?

The circle graph summarizes the results of a survey of the favorite movie category chosen by a group of adults. -2400 adults answer the survey. Find the ratio of number of respondents who favor others to those who favor comedies. Write the ratio as a Fraction with integers in the numerator and denominator.

Find the probability of the event if a single choice is made from a bag. -A bag contains 27 balls numbered 1 through 27. What is the probability of choosing a ball numbered 28?

The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question. -What is the ratio of money spent on food to money spent on utilities?

The bar graph shows the number of students who flunk Dr. Jones' class each year. -During which year did Dr. Jones' have the fewest number of students flunk his class? How many students flunked during that year?

Fill in the blank with one of the words or phrases listed below. outcomes bar experiment mean tree diagram pictograph line class interval median probability histogram circle class frequency mode -The _______of an event isvent is $\frac { \text { number of ways that event can occur } } { \text {number of possible outcomes } }$

The pictograph shows the number of bicycles sold at Mountain Biking Mania for a 7-week period. Number of Bicycles Sold at Mountain Biking Mania -During which week was the least number of bicycles sold? How many bicycles were sold that week?

The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes. -Student Council President The circle graph shows what percent of the vote each person received. What percent of the votes did Ben NOT get?

The bar graph shows the number of students who flunk Dr. Jones' class each year. -During which year(s)did Dr. Jones' have more than 8 students flunk his class?

Find the median. If necessary, round to one decimal place. -1, 8, 17, 21, 32, 33, 50

The bar graph shows the expenditures of one city government in a recent year. -Name the agency with the smallest spending and estimate this value.

Solve. If necessary, round answers to the nearest hundredth. -The following test scores were recorded for a student: 98, 55, 96, 55, 81. Find the mean, median, and mode.