The frequency distribution shown in the figure lists the number of hours per day a randomly selected sample of teenagers spent watching television. Determine what percent of the teenagers spent at least 3 hours but less than 6 hours watching television. Hours Day 0 3x<1 20 13x<2 31 2

Q: The dotplot shows the body mass index (BMI) for 132 randomly surveyed people from a certain country.…

A: Step 1:To determine the number of people considered morbidly obese from the dot plot and calculate…

Q: in a pie chart, if a category has a relative frequency of 30%, then its sector takes up 30% of the…

A: Pie chart: Pie chart is a statistical graph which explains the relative frequencies of different…

Q: You are given the frequency distribution table for the amount spent on video rentals (in dollars…

A: Given: n = 30 Formula used: Cumulative frequency = Add frequency from one class to the frequency of…

Q: A recent survey of 537 California college students found that 481 had taken an online class in the…

A:

Q: If you have the following data set {70, 72, 67, 78, 70} and you add 85 to the data set, how much…

A: the following data set {70, 72, 67, 78, 70} and you add 85 to the data set,

Q: HO 40 45 50 55 60 65 70 75 80 85 90 Arsenic (ppb) Ⓡ How many measurements taken in this time frame…

A: Given polygon.Want to calculate how many measurements taken in this time frame were within ppb…

Q: Athletes' heart rates were recorded after doing one minute of jumping jacks. The results were…

A: Step 1:NaStep 2: Step 3: Step 4:

Q: Suppose a sample of 158158 tankers is drawn. Of these ships, 135135 did not have spills. Using the…

A: It is given that, among 158 tankers 135 did not have spills.

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: At Roxbury Community College, 7 out of every 10 students take Introduction to Statistics. If there…

A: Given that, At some college 7 out of every 10 students take introduction to statistics. Formula:…

Q: The following is a frequency distribution of a country of origin of international students;…

A: The proportion is obtained by dividing the corresponding frequency by the total frequency. The…

Q: 2. Sketch a Pie chart for the variable Phone. Describe the data distribution. iPhone iPhone iPhone…

A: Mobile phone data related to different models is given and we were asked to sketch a pie chart.…

Q: Suppose automobile insurance companies gave annual premiums for top-rated companies in several…

A: Given boxplot:

Q: Determine the mean of the following: 21, 43, 96, 104, 32

A: We determine the mean of the following:   21, 43, 96, 104, 32

Q: Find the 5 number summary for the data shown 9 21 27 28 38 50 54 58 66 92 93

A:

Q: Martha Quinn is interested in the proportion of fast to slow songs she will play today.  She takes…

A: In this method of selection, each song have equal probability of getting selected and the selection…

Q: 25% of pitchers are left-handed. a survey of 80 pitchers showed 27 are left-handed. find the point…

A: Solution:Point estimate: The population parameter which is estimated by using sample statistic is…

Q: The students in a class are classified as follows. Complete the table and draw a bar chart and a pie…

A:

Q: In a data set, the smallest data value is 7 and the largest data value is 54. If you want to make a…

A: The objective of this question is to find the class width for a frequency table with 5 classes,…

Q: The gas mileages in miles per gallon for 34 cars are shown in the frequency distribution.…

A: Introduction - Mean=sum of observationstotal number observations  Mean =∑fx∑f=∑fxNwhere ,…

Q: 2. For the following set of data, find the mean, median, and mode. Put the data in a frequency…

A: Mean = (summation Xi)/n = (5+8+7+3+2+2+5+6+1+4)/10 =4.3

Q: When 450 junior college students were surveyed, 125 said that they have previously owned a…

A: sample size(n)=450 No. of students said that they have previously owned a motorcycle(x)=125

Q: Construct a box plot from the given data. Diameters of Cans in an Assembly Line: 19. 5.6, 5.5, 5.2,…

A: Boxplot: The box plot is a graphical representation of the data that measurement on interval scale.…

Q: Use the data to identify any outliers.

A: The objective of this question is to identify any outliers in the given data set. An outlier is a…

Q: A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 25, 3, 1, 22, and 9…

A: Total five classes, A, B, C, D, and F, with their frequencies are given.

Q: Give an example of a set of 10 numbers for the following:  an average equal to the median.

A: The number of observations is 10.

Q: To the nearest whole number, what percent of respondents did not choose Dominos or Marcos as their…

A: Given that: The frequency of each respondent's favorite pizza shop is recorded and shown in the…