Answer Happy

Opening the Gizmo New Die Shorts NASCUT VOTE TODAY M Number of 0 0 Sear 0 First, open the Gizmo link Mascot Election (opens in a new window) Click on the person symbol in the upper right corner of the screen and log in. Locate the Settings The left side of the Gizmo screen represents an auditorium Moving the Students slider will adjust the number of students in the auditorium. The Vote button will populate votes for those students, • The right side of the screen will show the results of the vote. • The drop-down menu will allow you to change the Display to a table, tally, pictograph, bar graph (horizontal or vertical), circle graph, or dot plot. . . . Source: ©2017 ExploreLearning. All rights reserved. Gizmo, Gizmos, and Reflex are ademarks of Fynlorel earning

TVILIVIEVE VULCO INUTITUCI VE Votes (Relative Frequency) Fraction = Decimal = Percent Mascot (Frequency) = - 15 Eagle 15 100 = = 0.15 = 15% 3 20 - 3 X 11 3 x 11 Lion 3 X 10 X 3 3 x 11 Bear 3 X 10 X 15/100 X 3/20 15 Wolf 10 х 30 1 11 1 10 Total X Notice that the total of all of the relative frequencies is 1 or 100%. That is because we added all of the parts of the population of voters together which makes up the entire, or whole population of voters

out Change the key in the Gizmo and see how the number of pictures beside each mascot also changes. Set the key to 3 votes. How many full and partial pictures does each mascot have? 1. The Eagle mascot has 5 full pictures which represent 15 ✓ total votes. 2. The Lion mascot has 3 * full pictures representing 5 X votes, and a partial picture representing 5 X votes X 3. The Bear mascot has 3 > full pictures, representing 5 X votes votes, and a partial picture representing 5 4. The Wolf mascot has 5 full pictures representing 15 votes If we did not have the Gizmo, how could we determine the number of full and partial pictures to use for each element in a sample space? We could divide the number of votes received by the number of votes represented by the picture A Moto Autuntients

Circle graphs can be labeled in a variety of ways. The graph in the Gizmo shows the circle cut into four colored pieces. The name of the mascot is listed on each wedge. Sometime the graph will have a key to indicate what each wedge represents instead of providing it on the wedge. The images on the left side of the graph could have been used to let us know which color represents each mascot. Circle graphs may also show the frequency or the relative frequency. The graph in the Gizmo shows the frequency of votes (number under the label in each pie wedge). Calculate the relative frequencies to determine the percentage of the vote each mascot received 1. What percentage of the graph is colored yellow for Lion? (To find the percentage, divide the number of votes received by the total number of votes. Then multiply by 100. 51 X % 2. What percentage of the graph is colored green for Bear? 52 X% X 3. What percentage of the graph is colored blue for Eagle? 53 54 X 96 4. What percentage of the circle is colored red for Wolf? Source: © 2017 ExploreLearning. All rights reserved. Gizmo, Gizmos, and Reflex are

** • Make sure the Students slider is set to 50 Change the Display to "Dot plot' . Click Vote . Now answer the following questions: 1. Is it easy to determine the mode? Yes. 2. Can the exact number of votes that each mascot received be determined by the graph? Yes 3. How many votes did each mascot get? Eagle: 10 X votes Lion: 14 X votes Bear 15 X votes Wolf: 11 X votes

5. Why do you think the Pew Research Group decided to use a graph without drawn axes? The exact percentages for each category are given behind each bar , making it easier to 6. What percentage of the female workers are employed in occupations that require higher analytical skills? 52 %. 7. What percent of of male workers are employed in occupations that require higher analytical skills? 47 % % (Hint: Find the complement of the percentage of the percentage of female workers in occupations that required higher analytical skills.) 8. If we add the percent of women who are employed in each of the three categories, what is the total percentage? 137 % 9. Why is it more than 100%? (Hint: Read the small print under the graph.) The total percentage is greater than 100% because the the categories are not 100 x exclusive. That means that a person could be employed in a job that requires more than one of the skills sets listed. bulunnuse a circle graph for this data?

9. Why is it more than 100%? (Hint: Read the small print under the graph.) The total percentage is greater than 100% because the the categories are not 100 X exclusive. That means that a person could be employed in a job that requires more than one of the skills sets listed. 10. Could you use a circle graph for this data? No, the data percentages must equal 100% for a circlegraph to be used 11. If there are 171 million people employed in the U.S., and 42% of the work force is female, how many women are in the work force? There are approximately 7182 x million women in the work force. (Round to the nearest million (click to view hint)

6. According to US News (opens in a new window), the estimated 2016 U.S. population is 322,762,018. Based on this number, how many Americans can we estimate read digital books only? 0.9 X (Round to the nearest person. Remember 6% = 0.06).