6. The plots below show 2 different class's scores: a. Estimate the IQR for Class 1 Class 1: Class 2: b. Estimate the IQR for Class 2 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 c. Which class has a higher Range? is

Q: From the list of test scores of 19 students. Find the inter-quartile range 36 45 49 53 55 56 59 61…

A: Given : 36 , 45 , 49 , 53 , 55 , 56 , 59 , 61 , 62 , 72 , 65 , 67 , 77 , 80  81 , 85 , 91 , 94 , 96…

Q: A pediatrician wants to determine the relation that may exist between a child's height and head…

A: Introduction: Consider that there are n pairs of observations of variables the x and y. The formula…

Q: The areas of 21 certain​ regions, in square​ miles, ranges from 47 to 819 with Q1=​228, median=329…

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Q: The data below shows the sample of number of hours spent studying in the past week for 28 students.…

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A: Median and mode are the types of average. This is descriptive statistics. Median and mode are the…

Q: Using the following stem & leaf plot, find the five number summary for the data by hand. 1|55 2107 9…

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Q: Below are the number of hours students studied for a Statistics exam. To construct a boxplot, what…

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Q: 2. For the data in the table below, find the sum of the absolute deviations for the predicted values…

A: Given observation x y ypred =3.6x-0.4 |y-ypred| 1 3 3.2 0.2 2 7 6.8 0.2 3 9 10.4 1.4 4…

Q: 20. Based on the data, the mean nominal wage is O A. 123.26 B. 291.81 O c. 350.00 O D. 358.88 21.…

A: Here we have to perform mean and median of nominal wage and real wage separately as ungrouped data.

Q: Calculate the median of the data shown, to two decimal places x 28.1 18.5 12.9 17 11.4 9.7 28.8…

A: From the given information, Consider, the data can be expressed in the increasing order as shown…

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A: From the given data we the average incomes of males and females as S.No.  Female Male 1 46 34…

Q: Calculate the coefficient of variation of a distribution with == 25, *f=21 254 and 2.1= 3804 O…

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Q: 22 Which of the following line plots displays data set where the mean, median and mode are all…

A: From the above picture, it's clearly showing that  part b is symmetrically distributed where all…

Q: The following set of raw data shows the lengths, in millimeters, measured to the nearest mm, of 40…

A: Given data is Lengths(mm) Frequency(fi) 25 - 29 2 30 - 34 4 35 - 39 7 40 - 44 10 45 -…

Q: 2.) In which interval does the median of this data distribution occur? Heig hts of Black Cherry…

A: From the histogram, the frequency distribution table with cumulative frequency is- Interval…

Q: What is the mean for the following data? Score Frequency 6 2 7 3 8 7 9 7 10 select one: a.162 b.20…

A: x Frequency (f) f⋅x 6 2 12 7 3 21 8 7 56 9 7 63 10 1 10 --- --- ---   n=20 ∑f⋅x=162

Q: Find the weighted average of a data set where 20 has a weight of 5, 30 has a weight of 3, and 40 has…

A: Given,20 has weight of 530 has weight of 3and 40 has weight of 2

Q: Given a data set with = 18 and o= 3, find the percent of data within each range: between 15 and 21 =…

A: Given that  Mean = µ = 18 Standard deviation = σ = 3 Z-score formula  Z = ( X - µ ) / σ Note :…

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A: Topic-mean

Q: From the display below, what is the maximum score in the data set? 24H 79 25L 014 25H 6667779999 26L…

A: It is given that stem represents hundreds and leaf represents tens.

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

A: From the provided information, The table can be constructed as: Low Temperature Mid value (x)…

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

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Q: The table displays the scores of students on a recent exam. Find the mean of the scores to the…

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

A: Consider the following table:-

Q: Here is a bivariate data set. y 74 48 77 51 75 40 79 44 79 51 73 50 71 54

A: From given data set,   X Y X*Y X*X Y*Y 74 48 3552 5476 2304 77 51 3927 5929 2601 75 40 3000…

Q: A pediatrician wants to determine the relation that may exist between a child's height and head…

A: Solution Given that Height                 Head Circumference 27                           17.5 25…

Q: 5. Use the following table to answer the questions asked. Rel. Freq. Cum Rel.Freg Score Frequency 89…

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Q: The data below are concerning the concentration of thiol in the blood lysate. 1.84 1.92 1.94 1.92…

A: A) The data below are concerning the concentration of thiol in the blood lysate. 1.84 1.92 1.94 1.92…

Q: The data of 10 plots each, under two treatments are given below : Treatment I 46 45 32 42 39 48 49…

A: ANSWER: From the given data,

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Q: The test scores on a 100-point test were recorded for 20 students:61   93   91   86   55   63   86…

A: a).The histogram is an appropriate graph to visualise one quantitative variable.Step-by-step…

Q: From the following data calculate median: No. of Students Marks No. of Students Marks 29 Less than…

A:

Q: Given the interval estimate for the mean (8.2, 11.4), the point estimate for the mean is and the…

A: Given information- We have given the confidence interval estimate for the mean = (8.2, 11.4) We have…

Q: Consider the following Five-Number Summary for a data set:  45.2 56.5 80.7 91.3 105.9  Calculate…

A:

Q: total cholesterol level in children 2 to 6 years of age. A sample of 9 participants is selected and…

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Q: 10 : Calculate the average marks of the students from the following data : Marks No. of students…

A:

Q: The outlier(s) in the data set 10, 17, 20, 21, 27, 22, 25, 24, 40 is (are) O a. 27 and 40 O b. 10…

A: Given data, 10,17,20,21,27,22,25,24,40 Find outliers.

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A:

Q: The depths​ (in inches) at which 10 artifacts are found are listed. 22.2 25.9 25.2 40.4 44.9 25.4…

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A: From the given information we find the 3rd quartile.

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A: Given  data : 4, 35, 35, 36, 36, 37, 38, 38, 39, 40, 40, 41, 41, 41, 42, 42, 43, 43, 43, 44, 45, 45,…

Q: "he age distribution of students at a community college is iven below. Age (years) Number of…

A: Given data,   P(Student is at least 31)=?

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

A:

Q: The data set below represents the ages of 36 executives. Find the percentile that corresponds to an…

A: Given: n=36 We know that, percentile is calculated as, Pi=i×n100th observation

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…

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Q: Calculate the average (mean) of the data shown, to two decimal places x 7.1, 11.1, 24, 15.4 ,3.4,…

A: We have given the following data X :  7.1, 11.1, 24, 15.4 ,3.4, 13.2, 20.1, 21.6

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.