Illustration1. Find the interquartile range and the coefficient of quartile deviation from the following data : Marks in Statistics : above 0 10 20 30 40 50 60 70 80 No. of Students : 150 140 100 80 80 70 30 14

Q: Which would be considered Quantitative data? O al List of temperatures for different cities in one…

A: Quantitative data are the result of counting or measuring attributes of a population, whereas…

Q: Illustration 79 Using the method of ordinates fit a normal curve to the following data, 10 -14 15–…

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Q: Which of the following graphs is not useful for displaying the distribution of the data? Box plot…

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Q: Illustration 10.7. Compute the standard deviation by the short method for the following data: 11,…

A: Data given  11,12,13,14,15,16,17,18,19,20,21

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: Given that, The actual mean is 52.7 degrees

Q: Based on the histogram below(attached image), how are the data distributed, and where is the mean…

A: We know that if a distribution has mean < median < mode then it is called negatively skewed…

Q: Calculate the coefficient of variation t

A: Our aim is to find the coefficient of variation. From the given data : n=5 , ƩX=140  , ƩX2=4038

Q: Fill in the missing values in the following frequency table. Table 1: Scores of Elephant Shrews X f…

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Q: QUESTION 20 For the given frequency distribution, calculate the standard deviation S. Class Limit…

A: Given:   Class limit Midpoint Frequency 1-7 4 8 8-14 11 12 15-21 18 18 22-28 25 12…

Q: What is the median for the population of scores presented in the frequency distribution table below?

A: Rearranging the data in ascending order and adding the cumulative frequency. x f cumulative…

Q: The data sets in item 1 is above the question number 2. Please answer question 2 for me.

A: From the given data set in item 1We calculate the ages of…

Q: Q1: For the following grouped data find the frequency fi , class mid-point x; and the Mean y ? 12 23…

A: We will have to find group, frequency fi, class mid-point xi . Here we make class of length 10. The…

Q: Given that the mean of a set of data is 40 and the standard deviation is 2, what is the coefficient…

A: Given,standard deviation(σ)=2mean(μ)=40

Q: What is the coefficient of variation of a data, which has a standart deviation 28 and mean as 400?…

A:

Q: Which of the following is the most frequently used measure of variation? A) The mode B) The…

A: Standard deviation: The variation between each observation from its mean is known as standard…

Q: Illustration 17.30. A distribution is known to be normal. The quartiles are 8.64 and 14.32.…

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Q: For the distribution as shown: Determine the 6th decile

A: Given, class f cumulative frequency (cf) 3-6 4 4 6-9 10 10+4=14 9-12 12 14+12=26 12-15 9…

Q: The following data show the weights (in pounds) of 20 students in a class. Find the standard…

A: Given that data The weights of 20 students in a class. Number of data values (n) = 20 Sum of all…

Q: Illustration 10.4. Compute the standard deviation for following data: 11. 12. 13. 14, 15, 16, 17,…

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Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: So mean of the frequency distribution is  51.1 degrees.

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A:

Q: The Highway Patrol, using radar, checked the speeds (in mph) of 30 passing motorists at a…

A: The decile is calculated using the formula as Di=size of the item iN+110 The percentile is…

Q: How will you evaluate the MID-RANGE from the following series of data: 15,17,13,16,12,15,18,19,22,20…

A: Given : Data 15 17 13 16 12 15 18 19 22 20

Q: Q1: For the following grouped data find the frequency fi, class mid-point X; and the Mean y ? 12 23…

A: For the following we will find group, frequency and class mid-poin xi as, Group Frequency fi…

Q: Given the following frequency table: Rating:           0     1   2   3   4   5   6   7   8…

A: The mean and standard deviation from a frequency table are calculated by :…

Q: Q1: For the following grouped data find the frequency fi , class mid-point x; and the Mean V ?

A: Given: 12 23 10 15 21 33 10 33 38 31 25 33 20 38 27 10 12 23…

Q: Question 4: Calculate the quartiles for the following the marks obtained by 9 students are given…

A: A quartile is a statistical tool that measures the variance of the given data by splitting it into…

Q: the 28th percene. of Newborn bies 9.5 5.1 6.0 8.0 8.6 5.7 9.3 6.2

A: Given that data  6.1,9.1,9.5,6.0,8.6,6.2,9.1,6.1,8.0,5.7,6.5,6.4,5.8,9.3,6.2 Arranging Observations…

Q: 10+ 13 16 19 10 data Based on the histogram above, what is the frequency of the cass containing the…

A: The frequence of the class containing the value 17 is

Q: Find the interquartile range and the Coefficient of quartile deviation from the followine data Marks…

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Q: Low Temperature ( o F) | 40– 44 45–49 4 Find the mean of the data summarized in the given frequency…

A: 40-44 1 42 42 45-49 4 47 188 50-54 12 52 624 55-59 5 57 285 60-64 1 62 62

Q: Given the following data set: 24; 32; 27; 22; 35; 18; 29; 25; 22.  Calculate the coefficient of…

A: Concept: Coefficient of variation (CV)=(Mean/standard deviation)*100

Q: This dot plot (burglary rates per 100,000 persons in 350 US. cities) shows a distribution that is…

A: We want to tell you above statement is true or false

Q: Illustration 10.21. The values of the arithmetic mean and the standard deviation of the following…

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Q: The Highway Patrol, using radar, checked the speeds (in mph) of 30 passing motorists at a…

A: Given data : 1, 35, 35, 36, 36, 37, 38, 38, 39, 40, 40, 41, 41, 41, 42, 42, 43, 43, 43, 44, 45, 45,…

Q: Illustration 3. Find out the value of quartile deviation and its cocfficient from the following data…

A: Solution,  We have to find quartile Devitation Therefore, quartile Devitation = Q3-Q1/2 Q3=40 Q1=15…

Q: The following scatterplot and table represent the mean monthly temperature an rainfall of a coastal…

A: Temp (Co) Rainfall (mm) 18 45 15 20 19 50 25 115 22 65 24 100 28 300 26 190 27 175…

Q: Calculate the 25th percentile of the data shown x 1.8 2.3 6.7 11.3 16.7 25.2 26.9 27.9

A: Arrange the data in ascending order to find the percentiles. 1.8,2.3,6.7,11.3,16.7,25.2,26.9,27.9…

Q: Answer the following. a. Construct a Frequency Distribution Table (CLASS SIZE = 100) |CLASS FREQ.…

A: Grouped frequency distribution:  The grouped frequency distribution consists of the class intervals…

Q: Task 2 (25 mins) 1- If marks of 20 students in one class out of 100 were as the following (Screen…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Calculate the 30th percentile of the data shown x 4.8 12.8 17.3 22.9 26.2

A: Given: Number of observation (n) = 5 30th percentile (P30)= Pk

Q: Following are box-and-whisker plots comparing the study times in hours per week for Sarah and Elaine…

A: Let Q1= first quartile= lower quartile, Q2= second quartile=median , Q3=3rd quartile Given from…

Q: The following numbers are chemical color measurements from a chemical company: a) About how many…

A: The box whisker plot is plot of quartile. It is used to measure the distribution of observation and…

Q: Below is the frequency distribution of the recorded weights in kilograms of the Grade 7 students at…

A: 16)No.of students n=4+13+16+9+3                                     =45 option(c) 17)As shown in the…

Q: Find the median and meản deviation of the following data : Size Frequency Şize Frequency 0-10 7…

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Q: Question 3 Calculate the mean deviation from mean and its coefficients from the following data: Size…

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Q: Find the estimated mean of the data summarized in the given frequency distribution. Compare the…

A: The provided data is: Low temperature (oF) Frequency 40-44 1 45-49 5 50-54 10 55-59 5…

Q: List 1 2 4 Name Ali Sam Hаjar Isa Age 32 7 18 9. (Years) A point estimate of the population standard…

A: The point estimate of population standard deviation is sample standard deviation.

Q: Construct a relative frequency histogram for the following 20 measurements on a discrete variable…

A: Given data are: The 20 measurements are: What proportion of the measurements are less than 2?

Q: What are the most likely values of r for each plot of data shown below? Figure 1 *AT THE TOP r =…

A: Correlation between two variables measure the strength and direction between two variables. It…