2. Given the following frequency distribution. Class Interval f 245 - 264 225 - 244 4 11 205 – 224 25 185 – 204 33 165 - 184 20 145- 164 7 Find the a. range b. mean deviation c. variance (use any two of the three formulas) d. standard deviation.

Q: Calculate standard deviation and co-efficient of variance and variation: Class interval (x): 0-10…

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Q: 1.    Suppose a professor gives an exam to a class of 40 students and the scores are as follows.…

A: As per our guidelines we can solve first question and rest can be reposted. Solution-: Given data:…

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

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Q: Q.: For the data given in the following frequency distribution table, compute if the nearest error…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: A. The following data show the daily flour utilization (in kilos) of a bakesha for 10 consecutive…

A: Given data : 452,677,481,690,707,514,671,488,483,534

Q: The following data represents the age distribution of a sample of 100 people covered by Health…

A: Given:   Age Number (f) 25-34 23 35-44 29 45-54 28 55-64 20

Q: Q) Consider the following data: 47 34 38 38 20 33 9 36 2 14 33 43 3. 42 35 16 48 22 20 39 40 10 25…

A: Note: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: (0,-E) E Li 110 115 1 0.077 115 120 4 4.336 120 125 49 6.673 125 130 35 0.784 130 135 15 0.722 135…

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Q: Q1/ The following data represents the SiO2 grade in %; construct frequency table and calculate mean,…

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Q: O Find the Median and Mean Deviation of the following data. Also calculate coefficient of M.D. Size…

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Q: Find the mean and median of each of the following sets of data. Determine the deviation from the…

A: Given : 0110 0.0104              0.0105              0.0108              0.0101 53 24.68…

Q: Find Mean , Modal class , variance, and standard deviation for this grouped data of a sample: class…

A: Solution: Class(1) Frequency (f)(2) Mid value (x)(3) f⋅x(4)=(2)×(3) f⋅x^2=(f⋅x)×(x)(5)=(4)×(3)…

Q: [5] The ages of residents in Calvin City are given in the following frequency distribution. Consider…

A: The mean is given by: The standard deviation of population is given by:

Q: Q#1 The following scores represent the final examination grade for an elementary statistics course:-…

A: We arrange the given data in ascending order as follow 10 15 17 23 25 32 34 36 41 41 43 48 52 52…

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

A: Given data is The actual mean is 56.3 degrees  Low Temperature(oF) 40-44 45-49 50-54 55-59 60-64…

Q: 1. Which of the distributions displayed in the dot plots below has the highest standard deviation…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: 2.7 Data points within various Standard Deviations 74 60 63 64 65 77 65 65 69 82 52 91 61 84 81 77…

A: Given,mean(μ)=67.3standard deviation(σ)=24.7

Q: Q1] For the following table that represent the statistical data for ages and its frequencies. Find…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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

A: These are the inclusive type classes first we will change them to exclusive class intervals by…

Q: I: The following is a frequency distribution of an entrance examination.             Class interval…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

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

A: Given the Inclusive classes. Lower boundary(LB)=Lower Limit(LL)-(1/2) Upper boundary(UB)=Upper…

Q: Using the constructed grouped frequency distribution below, find the following: D. range E. variance…

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Q: d the mean, variance and standard deviation of the following data: X 19 20 21 22 23 P(X) 0.2 0.2 0.3…

A: From the given information we find the solution.

Q: Q1 The following data represent the price (in cents) of 100 grams of red chilies in the local market…

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Q: Q1. The following table gives the frequency distribution of expenditure on food per family per month…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The following data provided are the average hours fifty-six grade 8 students spent doing their…

A: Range is the difference between largest and smallest observation. And variance is the measure of…

Q: Find the mean and standard deviation of the frequency distribution.   .....   x f 2 3 3 5 4 4 5 0 6…

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Q: 1. The hourly rate of 100 college faculty members at Merriam College, Quezon City are distributed…

A: A measure of central tendency represents the central value or typical value of a set of…

Q: 4 The values of the resistance of 90 carbon resistors were determined: Resistance x (MN) | 2-35…

A: Note:  Multiple questions: Hey, since there are multiple questions posted, we will answer answer…

Q: Which of the following statements must be true? (A) The medians of the two data sets must be equal.…

A: We know that, mean, median, mode, range and standard deviation of any data set can be less, equal,…

Q: Q/Find the standard deviation and variance for the following data: Cat. 50-80 Frequency 80-100 5…

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Q: Here is a frequency distribution table (FDT) for a small data set: frequency 14 data value 49 50 18…

A: Calculations for the measures of central tendency   S.No. x f cf fx 1 49 14 14 686 2 50 18…

Q: Show first the Mean, Median and Mode using Frequency Distribution. Solve for Q, P88, D10, Variance,…

A: From the provided , following table is constructed :  Frequency : It is the number of times a value…

Q: Q1/ From the following frequency distribution table: Frequencies Categories 33-37 10 38-42 12 43-47…

A: Hii ! Thanks for posting the question . Since your question has more than three subparts , we have…

Q: 3) Consider the following frequency table: Data Frequency Relative frequency Cumulative relative…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: Q.No.3. Following is given the frequency distribution of 280 workers of a factory according to their…

A: Mean Absolute Deviation: Mean absolute deviation is defined as average of absolute deviation is…

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

A:

Q: Q4/a/ In a study to show the relationship between a person's weight (kg) and height (cm), a random…

A: The given data are,

Q: Q1. The following table gives the frequency distribution of expenditure on food per family per month…

A: The given data is appropriate for measures of central tendency and measures of dispersion.

Q: Calculate the mean, variance and standard deviation for the following frequency distribution, and…

A: Given data, Class Frequency (f) Mid Point (M) Mi *fi 100-200 38 150 150*38=5700 200-300 18…

Q: Suppose the formative and summative grades in a College Algebra class for 11 students are given…

A: 1) Hypotheses and level of significance: The hypotheses to be tested are: Null hypothesis: H0: μD=…

Q: Q4/ The variance of the frequency distribution is 47 70 87 45 17 33 90 57 72 65 69 35 49 40 10 22 29…

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Q: The following data give the prices of seven textbooks randomly selected from a university bookstore.…

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Q: Q.: For the data given in the following frequency distribution table, compute if the nearest error…

A: Disclaimer: “Since you have posted a question with multiple sub-parts, we will solve first three…

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

A:

Q: Q2 – For the data in table (1): / 1- Draw the frequency distribution diagram. 2 - Find the class…

A: (1) Draw the frequency distribution diagram. The frequency distribution diagram is plotted below as…

Q: The following is a frequency distribution of an entrance examination.             Class interval…

A: Solution The given data is a grouped data .

Q: 2. For the following frequency table find the mean by: (i) Direct Method (ii) Short-cut Method (iii)…

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Q: Q.NO.1: a) For the following calculate mean deviation using median. Height No. of Boys 55 56 57 58…

A: Step 1:  We have to find the mean deviation from median. for that we have to find median by drawing…