Statistics - math problems
Number of problems found: 331
- 5-number summary
Given the following 5-number summary: 11, 19, 24, 30, 48 which of the statistics cannot be determined?
The sum of all deviations from the arithmetic mean of the numerical sequence 4, 6, 51, 77, 90, 93, 95, 109, 113, 117 is:
From statistics of sales goods, item A buy 51% of people and item B buys 59% of people. What is the probability that from 10 people buy 2 item A and 8 item B?
- Harmonic HM example
Harmonic means of 4 and 8.
- Harmonic 4
The harmonic mean of -6 and 5.
Find number on thenumber line that has same distance from this numbers:
- Harmonic mean
Harmonic means of 6 and 12
The average of 5 numbers is 108. What is its sum?
We throw five times the dice. What is the probability that six fits exactly twice?
- Insert 7
Insert five harmonic means between 3 and 18
- Insert AP member
Insert arithmetic means between 75 and 180.
- HP - harmonic progression
Determine the 10th term of the harmonic progression 6,4,3,…
Data: 11,15,11,16,12,17,13,21,14,21,15,22 Find dispersion of given dataset
The arithmetic mean of the two numbers is 71.7. One number is 5. Calculate the second number.
- Find the mean
Find the number between 13 and 29.
We throw 10 times a playing dice. What is the probability that the six will fall exactly 4 times?
The drug successfully treats 90% of cases. Calculate the probability that he will cure at least 18 patients out of 20?
What is the reciprocal of the sum of the reciprocals of 4 and 9?
- In center
What number lies in the center between a quarter of a fifth and a half of a third on the number axis?
- Insert 6
Insert four harmonic means between 3/7 and 3/19
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