The following table shows a frequency distribution of the weekly wages in rand of employees in the XYZ Company:Number ofWages (R)employees50 - 59,998.60 - 69,9970- 79,99161480 - 89,991090 - 99,99100 -109,99110 119,991 cumulative frequency distributions;2 percentage cumulative distributions; and3 on the same sheet of graph paper, 'less than' and 'more than' cumulative curves.From the cumulative curves, estimate the number of employeesearning:4 less than R88,00 per week; (1)5 R96,00 or more per week; and (1)6 at least R63,00 but less than R75,00 per week.

The given table show shows the frequency distribution of the weekly wages in rand of employees in…

Answered: The following table shows a frequency…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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b) Marks obtained by 89 students in sociology are given below: 2+2+2=6 Marks No. of students 0-6 7-13 12 14-20 15 21-27 20 28-34 16 35-41 12 42-48 6. 49-55 4 56-62 63-69 70-76 Prepare a histogram, a frequency polygon and ogive for this distribution and explain the graphs.
A graduate-level computer science course only gives the grades of A, B, or C. The department has determined that there should be 40% A's given, 40% B's given and 20% C's given as final grades for the course. For the spring 2021 semester, 200 students took the course and 100 students received A's, 50 students received B's and 50 students received C's, so those are my observed frequencies. We want to do a Chi-square Multinomial Goodness of Fit test to see if our grading guidelines match up with what is actually happening. What is the expected frequency for the grade of B category? Round your answer to the tenths position.
I need answer within 20 minutes please please with my best wishes
The mean annual salary for nurses is $65,000 with a standard deviation of $7,000. What is he probability that a randomly selected nurse has a salary less than $60,000? A random sample of 50 nurses is selected. What is the probability that the sample mean annual salary is less than $60,000?
Suppose you compile all possible samples of 25 children of preschool age in your school district. If you calculate the mean of each sample (M) and create a frequency distribution of these means, this distribution is referred to as the
А B Overtime earnings 1 (OMR) 13 No. of employees (f) 2 0s 10 3 10 s 20 11 4 20 s 30 5 30 s 40 25 18 6 40 < 50 7 50 s 60 2 8 8 60 s 70 9 70 < 80 10 80s 100 8 100 11 sum From the table above B. Construct a less than cumulative frequency curve for the data above. c. Use the cumulative frequency graph to estimate the median.
Answer all the questions 1. a. The profits (in lakhs of rupees) of 20 companies for the year 2000-2009 are given below: 20, 22, 53, 49, 65, 39, 48, 67, 18, 16, 23, 37, 35, 49, 63, 57, 69, 25, 29, 58. i. Represent the above data in a frequency table using exclusive class interval. (6) Represent the above data in a histogram. (2) ii.
Average monthly wages (per employee) in 4 sectors of an economy are as follows: industry: 2000 dinars, building: 2200 dinars, agriculture: 1500 dinars, services: 1800 dinars. Number of people employed in the four sectors are 5 million, 2 million, 6 million, and 2 million, respectively. Using the concept of harmonic mean compute the average monthly wages in the economy under consideration.
1. Given the following frequency distribution, compute for the following: Class Intervals Frequency (f) (d) (fd) (F) 58- 59 10 60- 61 14 62- 63 26 64- 65 35 66- 67 23 68- 69 19 70- 71 15 72- 73 6 a. Mean b. Median c. Mode d. Quartile e. Quartile 3 f. Decile 7 g. Decile 8 h. Percentile 88

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