12. Compute M.D 'and its coefficient from the following datá. Classes 7.5- 8.5- 9.5- | 10.5- 11.5- 12.5- 13.5- 8.5 9.5 10.5 11.5 12.5 13.5 14.5 Frequency 2 4 5 7 3 1

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A: We have to find value of x.

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Q: Q1. (Continued) (b) During a recent year, Alfred Carpet Company received 50 complaints concerning…

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Q: Q. 6. Marks secured by 35 students of M.Com. Previous in a test are given below: 55, 45, 60, 65, 70,…

A:

Q: 8. The Website reddit.com had its subreddit /r/movies users submit review scores for "Candyman…

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Q: 14. Interpolate the number of students who have obtained marks less than 77 from the followiee data.…

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Q: Find out the number of students securing second division in the University examinations from the…

A: @solution:::::

Q: 22.3. Given the following ultimate class frequencies, find the frequencies of positive classes. (…

A:

Q: II. Suppose the following are the electric energy consumption of 50 households in a locality. Make a…

A: Given data is Class Interval Frequency <Cumulative  Frequency >Cumulative  Frequency…

Q: 4. Nina had the following positive numbers: 7x, 12x, 5x, 8x, x and 4x where x is a positive integer.…

A:

Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…

A: According to the given information, we have The probability distribution table is, x P(x) 0…

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A: Solution : Q. 3) Given that, classes Class Boundary Frequency Cumulative frequency (less than)…

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A: From the given stem and leaf plot, The data values are  90, 91, 94, 83, 85, 85, 87, 88, 72, 74, 74,…

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A: Given that  The data are 1,1,1,1,1,3,6,6,9

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A: We have given that  I want to find mean. Mean = sum of all observations/total number of…

Q: Q.No.2. a) The specific laboratory are being used to perform chemical analysis. Samples of the same…

A: a) The frequency table is as follows-

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A: An appropriate diagram for representing the frequency distribution of a continuous variable is…

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Q: Data Set: {(-3, 4), (–2, 3), (–1, 3), (0, 7), (1, 5), (2, 6), (3, 1)} 1. The regression line is: y =…

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

Q: The arithmetic mean of the following data (22, 25, 19, 28, 20, 17,30) is 24 O 25 O 23 O to leave O…

A: As per company guidelines I solved only the First questions. Thank you Given data: 22, 25, 19, 28,…

Q: 21. (Ex) (Evx) -nEx% (E*)² -nE For n data points, the coefficients of the best-fit line, y = mx +b,…

A: given points :(1,0) (2,4) (3,5) n=3

Q: 24. The marks obtained by the students in a class as given below. You find Median. Marks 10-19 20-29…

A:

Q: 5. For the values (75, 71,73,77,67, 79, 67,), the median is..., the mode is. 6. The first interval…

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Q: 6. The following data refere to numbere of yeares workedley11 employees of a factory: 7,4, 10, 11,…

A: Given data is appropraite for measures of central tendency and measures of dispersion.

Q: F C 11. From the following ultimate class frequencies of the positive and negative classes and the…

A:

Q: (a) 7, 7, 8, 11, 12 (c) 9,0, 8, 9, 4 (e) 12, 5, 7, 17, 7, 15 (b) 9,5, 13, 5 (d) 7, 1, 6, 7, 6, 1,7…

A: Mode: mode may be defined as the maximum number of observation occurred.

Q: 8. Estimate the probable number of persons earning between 450 and 480 from the following table.…

A:

Q: a. Fix the errors in Table 1.15. Also, explain how someone might have arrived at the incorrect…

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Q: y 24 22 20 y 18 16 14 12 24 22 20 18 16 14 12 bmit Answer 4 6 6 8 10 12 14 16 X 10 + 12 14 16 18 y…

A: Let given data can be drawn as below

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A: Solution :    Let A denote the literates    therefore , α denote illiterates    Let B denote…

Q: Respondent Number Socio Economic Score in Mental Status(SES) (X) Ability 7.8 135 2 6.4 122 3 5.3 93…

A: For the given data Find What is the following: 1. Sum of X 2. Sum of Y 3. Sum of X2