question 1

A data set has its first and third quartiles as 9 and 17, respectively. Which of the following data points would be considered an outlier for the data set? O 41 O 27 O 3 O 17The mean number of cell phones sold by the store for the week was 0 70 phones 0 10 phones 0 9 phones 0 5 phones Mike's electronics store sold the following number of cellphones on each of the seven days of a week. Day Cell Phones Sold Sunday 12 Monday 10 Tuesday 9 Wednesday 5 Thursday 14 Friday 10 Saturday 10The relative frequency of people who strongly disagree with the statement is O 68% O 10.7% O 40.3% O 22.7%In a survey to rate the customer service department of a company, 300 persons rated their agreement with the statement, "The staff is helpful and courteous." The information was put into a table. Rating Frequency Strongly Agree 32 Agree 50 Neutral 97 Disagree 53 Strongly Disagree 68 The relative frequency of people who strongly disagree with the statement isLet x stand for the length of an individual screw. 100 screws were sampled at a time. The population mean is 2.5 inches and the population standard deviation is 0.2 inches. What is the mean of the sampling distribution of sample means? O 2 O 2.5 O 0.02 O 0.2The variance is 2.98 and the standard deviation is 8.86. The variance is 7.50 and the standard deviation is 2.98. The variance is 8.86 and the standard deviation is 7.50. The variance is 8.86 and the standard deviation is 2.98. The formula for the standard deviation of a sample is: Select the true statement for the following data set that has a mean of 8: 4, 6, 6, 6, 9, 9,12, 12 Answer choices are rounded to the hundredths place. \fAt Brent's school, the final grade for his US. History course is weighted as follows: - Tests: 30% o Quizzes: 50% o Homework: 20% Brent has an average of 82% on his tests, 94% on his quizzes, and 50% on his homework. What is Brent's weighted average? Ralph records the time it takes for each of his classmates to run around the track one time. As he analyzes the data on the graph, he locates the mean and median time. Which component of data analysis is Ralph utilizing? O The overall shape ofthe data 0 An outlier in the data set O The overall spread of the data 0 The center of the data set