Statistics calculator
The statistics calculator allows computing many of the statistical properties of data. It supports computing mean, median, harmonic mean, geometric mean, minimum, maximum, range, variance, and standard deviation. Data input should be a series of numbers separated by spaces, newlines, commas, or semicolons.Calculation:
Statistical file:{56, 32, 54, 32, 23, 67, 23, 45, 12, 32, 34, 24, 36, 47, 19, 43}
Average (mean): μ=36.1875
Absolute deviation: 189.75
Mean deviation: 11.859375
Minimum: 12
Maximum: 67
Variance: 208.40234375
Standard deviation σ=14.436147122761
Corrected sample standard deviation s=14.909588637294
Coefficient of variation cV=0.41200935785269
Signal-to-noise ratio SNR=2.4271293380612
Median: 33
Quartile Q1: 23.25
Quartile Q2: 33
Quartile Q3: 46.5
1st decile: 16.9 (Too few data to calculate deciles)
2nd decile: 23
3rd decile: 24.8
4th decile: 32
5th decile: 33
6th decile: 37.4
7th decile: 44.8
8th decile: 51.2
9th decile: 59.3
Interquartile range IQR: 23.25
Quartile Deviation QD: 11.625
Coefficient of Quartile Deviation CQD: 0.33333333333333
Lower fence: -11.625
Upper fence: 81.375
Set of outliers: {} - empty set - no outliers found
Interdecile range IDR: 42.4
Mode: 32 - unimodal
Geometric mean: 33.162081564588
Harmonic mean: 29.985945422427
Sum: 579
Sum of squares: 3334.4375
Sum of absolute values: 579
Average absolute deviation: 11.859375
Range: 55
Frequency table :
element | frequency | cumulative frequency | relative frequency | cumulative relative frequency |
---|---|---|---|---|
12 | 1 | 1 | 0.0625 | 0.0625 |
19 | 1 | 2 | 0.0625 | 0.125 |
23 | 2 | 4 | 0.125 | 0.25 |
24 | 1 | 5 | 0.0625 | 0.3125 |
32 | 3 | 8 | 0.1875 | 0.5 |
34 | 1 | 9 | 0.0625 | 0.5625 |
36 | 1 | 10 | 0.0625 | 0.625 |
43 | 1 | 11 | 0.0625 | 0.6875 |
45 | 1 | 12 | 0.0625 | 0.75 |
47 | 1 | 13 | 0.0625 | 0.8125 |
54 | 1 | 14 | 0.0625 | 0.875 |
56 | 1 | 15 | 0.0625 | 0.9375 |
67 | 1 | 16 | 0.0625 | 1 |
Count items: 16
Calculation of normal distribution
Sorted statistic file: {12, 19, 23, 23, 24, 32, 32, 32, 34, 36, 43, 45, 47, 54, 56, 67}
How to enter data as a frequency table?
Simple. Write data elements (separated by spaces or commas, etc.), then write f: and further write the frequency of each data item. Each element must have a defined frequency that counts numbers before and after symbol f: must be equal. For example:1.1 2.5 3.99
f: 5 10 15
How to enter grouped data?
Grouped data are formed by aggregating individual data into groups so that a frequency distribution of these groups serves as a convenient means of summarizing or analyzing the data.group | frequency |
10-20 | 5 |
20-30 | 10 |
30-40 | 15 |
10-20 20-30 30-40
f: 5 10 15
How to enter data as a cumulative frequency table?
Similar to a frequency table, but instead, f: write cf: in the second line. For example:10 20 30 40 50 60 70 80
cf: 5 13 20 32 60 80 90 100
The cumulative frequency is calculated by adding each frequency from a frequency distribution table to the sum of its predecessors. The last value will always equal the total for all observations since the calculator will have already added all frequencies to the previous total.
Practice problems from statistics:
- A batsman
A batsman scored the following number of runs in seven innings 35,30,45,65,39,20,40. Find the mean, median, and range. - Harmonic HM example
Find the harmonic mean of 4 and 8. - Increase the mean
To which number should the number 4 be changed between the numbers 4,5,7, 1,0,9,7,8, -3,5 to increase these numbers' arithmetic mean by 1.25? - The size 2
The size of pants sold during one business day in a department store is 32, 38, 34, 42, 36, 34, 40, 44, 32, and 34. Find the average size of the pants sold. - The data
The data set represents the number of cars in a town given a speeding ticket each day for ten days. 2 4 5 5 7 7 8 8 8 12 What is the IQR? - 75th percentile (quartille Q3)
Find 75th percentile for 30,42,42,46,46,46,50,50,54 - 45 percentile
Given the following data 11 15 24 33 10 35 23 25 40 What is P45? - Employees 70614
The company has 18 employees aged 26-52. The age groups of the employees are: 3 employees aged 52 years, 2 aged 32 years, 1 ... 26 years old, 5 ... 36 years old, 4 ... 45 years old, and 3 ... 50 years old. Determine the median. - Median and modus
Radka made 50 throws with a dice. The table saw fit individual dice's wall frequency: Wall Number: 1 2 3 4 5 6 frequency: 8 7 5 11 6 13 Calculate the modus and median of the wall numbers that Radka fell. - Find mean
Find mean of two numbers: -4 and 5 (first is negative four). - The median 2
Here is a list of numbers: 9.9, 5.9, 3.6, 6.2, 8.9, 0.7, 4.4, 6.7, 9.9, 0.7 State the median. Give your answer as a decimal.
more math problems »