A sales manager recorded the number of sales made by each of the 300 salespeople working at his chain of furniture outlet stores on a Saturday and created the following table. # Sales (bins) Proportion of salespeople in this bin 0 – 3 0.05 3 – 6 0.15 6 – 9 0.30  9 – 12 0.35 12 -15 0.15 a. What is the unit of observation in this sample? b. What is the variable collected? c. Draw and label the histogram for this dataset.

Q: (a) What is the height of the tallest male student? (b) Which gender has more variation in heights?…

A: HERE AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  here given , box plot for male and female…

Q: Find the 5 number summary for the data shown 4 6 18 28 45 48 61 68 75 76 87 88 89 90 91 5 number…

A: To find the 5 number summary of a data set, you need to find the smallest data value (minimum), the…

Q: Classic Homes has found from experience that there should be 40% as many two-bedroom homes as…

A: Let's denote the number of two-bedroom homes as x, three-bedroom homes as y, and four-bedroom homes…

Q: Using the following stem & leaf plot, find the five number summary for the data by hand. 1|29 215 79…

A:

Q: Subject 1st 2nd #1 10 11 #2 4 6 #3 7 9 #4 6 5   a. Calculate the mean difference. b. Calculate SS…

A:

Q: 55.8, 2.7, 82.4, 10.0, 37.9, 43.8, 55.8, 10.0, 24.3 State the range rounded to the nearest tenth.

A: I have given the answer in the next step. Hope you understand that

Q: A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first…

A: The given distribution has proportion of fatalities by location of injury for motorcycle accidents.…

Q: Imagine you are the assistant manager of a fast-food store. Part of your job is to report how the…

A: Introduction Descriptive statistics provides a summary of the features of the data.

Q: Below you are given the ages of a sample of 10 college students who are enrolled in statistics.…

A: Since you have posted multiple sub-parts of question , we will solve first three  sub-parts for you.…

Q: Using the following stem & leaf plot, find the five number summary for the data by hand. 1|2 5 2|2 4…

A:

Q: A survey of 64 families yields the following data for the number of children per family. 2 2 0 1 1 2…

A:

Q: The following data give the prices (in thousands of dollars) of 6 homes that were sold in a small…

A: Solution: Let X be the price. The given data is 195, 205, 219, 265, 283 and 825.

Q: Which of these would be considered a transformed score? a. percentile ranks and t scores b. z scores…

A: Transformed scores are those scores that have been converted from raw scores to meaningful score…

Q: alculate the median of the data shown, to two decimal places, 24.4,11.1,2.1,29,8.7,6.9,6.6,1.1

A: The given data is 24.4,11.1,2.1,29,8.7,6.9,6.6,1.1

Q: Proportion of fatalities by location of injury for motorcycle accidents Abdomen/ Full data set…

A: Null and alternative Hypothesis H0:- The distribution of fatal injuries for riders not wearing a…

Q: Angela polled her first grade class about their family pets. The following data lists the number of…

A:

Q: What is the mean of the data represented in the frequency table below? 3.75 3.50 2.75…

A: Given: x Frequency (f) fx 1 3 3 2 1 2 3 2 6 4 2 8 5 3 15 6 1 6   ∑f=12 ∑fx=40

Q: ould have the right to marry. (The 2014 data were collected before the 2015 US upreme Court decision…

A: There are four types of level of measurement, i.e.,  Ratio scale: data is continuous and have a…

Q: Calculate the 54th percentile of the data shown X 2.2 6 8.6 14 16.4 20.5 23.4 26.7 42.6 59.3…

A: Here's the calculation of the 54th percentile for the given data:Data: 2.2, 6, 8.6, 14, 16.4, 20.5,…

Q: Suppose a biologist studying the mechanical limitations of tree growth monitors a national preserve.…

A: Given data is45,80,71,67,45,92,87,67,76,45

Q: Find the median and mode for the data in the table below: interval frequency 0-10 10-20 20-30 4…

A:

Q: The data to the right represent the cost of living for 20 states. The cost of living average price…

A: The data to the right represent the cost of living for 20 states. The cost of living is a measure of…

Q: For the following set of scores: 30 69 41 51 36 53 60 24 55 44 61 25 74 63 55 13 42 56 54 49 a. I…

A: The given scores are 30, 69, 41, 51, 36, 53, 60, 24, 55, 44, 61, 25, 74, 63, 55, 13, 42, 56, 54, 49.

Q: 1.8 2.3 6.7 11.3 16.7 25.2 26.9 27.9

A: Percentile is the value in the data below which certain percentage of the data lie.   For computing…

Q: 100 adults were surveyed and asked how many cars they have owned in their life. The results are…

A: Our objective is to find mean median and mode.

Q: For the following scores below: a. Construct a frequency distribution table. b. Sketch a histogram…

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Q: The mean of the distribution of grades for Exam 1 was 58 , while the median was 70. The distribution…

A: Given:  Mean of distribution =58 and  Median=70 then distribution is ? A. Left skewed   B. Right…

Q: Find the mean, median, and mode for the following frequency distribution. f 3 9. 4 2 7 7 4 8 234 56

A: Solution

Q: 4. Find the percentage of data points that lie below z = 1.46. Draw a picture to support your work.

A: The provided z-value is 1.46. The probability of data points that lie below this value can be…