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- In a scatter diagram of the data of 50 participants, how many points are plotted? A. 5 B. 25 C. 50 D. 100Part b should be a sample size of 29%, not 25%K A university conducted a survey of 387 undergraduate students regarding satisfaction with student government. Results of the survey are shown in the table by class rank. Complete parts (a) through (d) below. Click the icon to view the table. 美 Data table Satisfied Neutral Not satisfied Total Freshman Sophomore Junior Senior 51 48 62 59 28 20 18 13 23 21 18 26 102 89 98 98 Total D₁ 220 79 88 387
- The two-way table given shows the results from a survey of pet owners. Owns a Dog Does Not Own a Dog Total Owns a Cat 54 21 75 Does Not Own a Cat 81 39 120 Total 135 60 195 Does the data show an association between owning a dog and owning a catA statistics class is made up of 12 men and 18 women. What percentage of the class is male?The following data were collected in a survey of 8th graders and summarize their cell phone status. What proportion of the 8th graders have cell phones? No cell phone Conventional cell phone Smartphone Boys 50 65 33 Girls 31 76 27
- Explain what each phrase means in the context of inferences for a population proportion. a. Number of successesb. Number of failuresDetermine whether the statement is true or false. If it is false, rewrite it as a true statement. A population is the collection of some outcomes, responses, measurements, or counts that are of interest. Choose the correct answer below. A. True. B. False. A sample is the collection of all outcomes, responses, measurements, or counts that are of interest. C. False. A population is the collection of all outcomes, responses, measurements, or counts that are of interest.What do degrees of freedom for degree of freedom within reflect?
- As part of a statistics project, a teacher brings a bag of marbles containing 800 white marbles and 300 red marbles. She tells the students the bag contains 1100 total marbles, and asks her students to determine how many red marbles are in the bag without counting them. A student randomly draws 100 marbles from the bag. Of the 100 marbles, 32 are red. The data collection method can best be described as Survey Census Controlled study Clinical study The target population consists of The 1100 marbles in the bag The 300 red marbles in the bag The 32 red marbles drawn by the student The 100 marbles drawn by the student None of the above The sample consists of The 300 red marbles in the bag The 32 red marbles drawn by the student The 100 marbles drawn by the student The 1100 marbles in the bag None of the above Based on the sample, the student would estimate that marbles in the bag were red.Help.During the 2016-2017 season, the University of South Carolina Men's Basketball team made it to the final 4. The Lady Gamecocks made it to the final four and won the National Championship. Below are the number of points each team scored during each of the games they played during the 2016-2017 season. Use the back-to-back stem and leaf plot to answer the questions. How many games did each team play? The men played ___ and the women played ___ games. What is the mean points of each team? The men scored an average of ___ points and the women scored an average of ____ points (round to the nearest point) What is the range of the points of each team? The men scored a range of ____ points and the women scored a range of ____ points. What is the population standard deviation for each team? The men had a standard deviation of _____ points and the women had a standard deviation of _____ points (round to nearest hundredth). Based on the standard deviation, which team's points varied more?…