Answer:
1. The frequency table shows the ages of 30 children who participate in a soccer league. How many are 12 years or older?
ANSWER- 5
2. The Beeville City Council surveyed 500 Beeville citizens. Of those surveyed, 350 citizens named summer as their favorite season. Based on the survey results, how many of the 36,500 Beeville citizens would most likely name summer as their favorite season?
ANSWER- 25,550
3. A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporter's data is valid or not?
ANSWER- The data is not valid for the entire city because bird watchers are more likely to visit a bird refuge.
4. Which of the following types of information is suited for displaying on a double line graph?
ANSWER- All of these answers
5. Which survey question is biased?
ANSWER- Which do you like better, coffee or fresh, tasty water?
6. Game wardens use experiments to help determine the number of fish in a lake. Suppose 80 fish are caught, tagged, and released back into the lake. Two weeks later 120 fish are caught, 3 of which are found to have tags. Using this information, estimate the number of fish in the lake.
ANSWER- 3,200
7. The department manager recorded the number of sick days taken last year by each employee, as shown in the table.
ANSWER- 4.43 days
8. Find the mode of the data set: 37, 42, 39, 44, 47, 38, 42, 45, 49, 35
ANSWER- 42
9. Which box-and-whisker plot matches the data? 20, 32, 19, 12, 28, 34, 29, 36, 20, 15, 30, 17
ANSWER- D, It's a imagine, can't explain.
10. Find the outliner of the set of data: 20, 23, 19, 25, 4, 18, 26
ANSWER- 4
11. The following graph shows the number of customers who purchased something from a store in September and October. What is misleading about the graph?
ANSWER- The graph exaggerates the difference in the number of customers between September and October.
12. Erica found the mean of the yearly incomes of a sample of households in her hometown as shown in the chart below. In a report, she stated, "The typical income in my neighborhood is about $81,500 per year." how is this misleading?
ANSWER- The mean is not a good measure of the incomes because a few higher incomes pull the mean higher than most of the household incomes.
13. The record high temperatures were recorded for 20 states. The frequency table below displays the data. Which histogram represents the data?
ANSWER- B, and it should look like as for the "90" it's the highest compared to the other graphs shown.
14. Which is the best display for the list of the number of tornadoes in the United States each year, if you want to be able to identify the mode?
ANSWER- line plot
15. Kendall asked 40 randomly-selected seniors at his high school about their plans for after they graduate. Twenty-nine students said they planned to go to college. If there are 380 seniors at Kendall's high school, estimate the number who plan to go to college.
ANSWER- 275
16.Do yourself!
17.Do yourself!
18.Do yourself!
Hope this is helpful.
Step-by-step explanation:
