Complaints
The table is given:
1.1 What percentage of complaints were resolved within two weeks?
1.2 calculate the mean number of days to resolve these complaints.
1.3 calculate the modal number of days to resolve these complaints.
1.4 determine the standard deviation.
| days | complaints |
|---|---|
| 0-4 | 2 |
| 5-9 | 4 |
| 10-14 | 8 |
| 15-19 | 6 |
| 20-24 | 4 |
| 25-29 | 3 |
| 30-34 | 3 |
1.1 What percentage of complaints were resolved within two weeks?
1.2 calculate the mean number of days to resolve these complaints.
1.3 calculate the modal number of days to resolve these complaints.
1.4 determine the standard deviation.
Correct answer:
Showing 1 comment:
Math Teacher
We checked the solution with our statistical calculator:
https://www.hackmath.net/en/calculator/frequency-table?input=0-4+5-9+10-14+15-19+20-24+25-29+30-34%0D%0Af%3A+2+4+8+6+4+3+3
data we enter as grouped frequency table:
0-4 5-9 10-14 15-19 20-24 25-29 30-34
f: 2 4 8 6 4 3 3
https://www.hackmath.net/en/calculator/frequency-table?input=0-4+5-9+10-14+15-19+20-24+25-29+30-34%0D%0Af%3A+2+4+8+6+4+3+3
data we enter as grouped frequency table:
0-4 5-9 10-14 15-19 20-24 25-29 30-34
f: 2 4 8 6 4 3 3
Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for a statistical calculator?
Looking for a standard deviation calculator?
Our percentage calculator will help you quickly and easily solve a variety of common percentage-related problems.
Looking for a statistical calculator?
Looking for a standard deviation calculator?
Our percentage calculator will help you quickly and easily solve a variety of common percentage-related problems.
You need to know the following knowledge to solve this word math problem:
statisticsalgebraarithmeticbasic operations and conceptsGrade of the word problem
Related math problems and questions:
- Statistical 81497
Determine the median, mode, arithmetic mean, variance, standard deviation, range of variation, and coefficient of variation of the character x in the statistical file: 2x 9, 7x 10, 9x 11, 11x 15, 15x 17, 16x 19, 13x 21, 10x 25, 9x 29, 4x 32 - Z-score
The mean adult male pulse rate is 67.3 beats per minute, with a standard deviation of 10.3. Find the z-score for an adult male's pulse rate of 75. (Round the z-score to two decimal places. ) - N percentille problem
Here is a data set (n=117) that has been sorted. 10.4 12.2 14.3 15.3 17.1 17.8 18 18.6 19.1 19.9 19.9 20.3 20.6 20.7 20.7 21.2 21.3 22 22.1 22.3 22.8 23 23 23.1 23.5 24.1 24.1 24.4 24.5 24.8 24.9 25.4 25.4 25.5 25.7 25.9 26 26.1 26.2 26.7 26.8 27.5 27.6 2 - Dataset 3
Given dataset: 31, 28, 31,30,31,30,31,31,30,31,30,31 1. Construct a frequency table. 2. Construct a histogram. 3. Compute the mean. 4. Compute the median. 5. Find the mode. 6. Compute the midrange. 7. Compute the standard deviation.
- The raw
The raw data presented here are the scores (out of 100 marks) of a market survey regarding the acceptability of a new product launched by a company for a random sample of 50 respondents: 40 45 41 45 45 30 30 8 48 25 26 9 23 24 26 29 8 40 41 42 39 35 18 25 - Dataset: Dataset: 35 22 18 54 22 46 28 31 43 22 14 17 25 19 33 14. 1 Group the data into a grouped distribution using six classes of equal width. 2. Determine the mean, median, and mode using the raw data. 3. Draw an Ogive curve corresponding to the data and use i
- 5-number summary Given the following 5-number summary: 11, 19, 24, 30, 48, which of the statistics cannot be determined?
