Mean + numbers - practice problems
Number of problems found: 159
- Offset the mean
The mean of 16 numbers is 8. If 2 is added to every number, what will be the new mean? - Mean and sum
If the arithmetic mean of 6 numbers is 45, what is the total sum of these numbers? - 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.
- The average 12
The average of the first five numbers drawn was 2499. the first four numbers were 4165, 320, 7142, and 64. What was the fifth number? - The average 11
The average of a set of 7 numbers is 20. The average of a second set of 13 numbers is 40. What is the mean of all 20? - The average 10
The average of three fractions is 2 3/8. If two of the fractions are 2 1/5 and 1 2/3, what is the total value of the three fractions? - Education - 5 modules
In a self-paced online class, there are five modules. The first four modules are worth the same, but the fifth module is worth as much as the other four combined. A student is one-fourth of the way through the last module and has done one-third of three o - Z-score calc
What is the Z Score for the following numbers: X is 16, and data for the population mean, and the standard deviation is 196, 193, 79, 30, 29, 81, 25, 21, 164 Level of difficulty = 2 of 2 Please format it to 2 decimal places.
- The mean
The mean of four numbers is 5, and the mean of three different numbers is 12. What is the mean of the seven numbers together? - A fair 2
A fair die is thrown two times. What is the probability that the sum of the score is almost 8? - Midpoint between conjugate
Find the midpoint between two roots: 2+3.464i and 2 - 3.464i - Calculate 83263
Calculate the average of the numbers 1.95 2.02 2.05 2.07 2.07 2.07 2.09 2.11 2.11 2.12 2.14 2.16 2.16 2.16 2.18 2.18 2.24 2.26 - Corrects 83017
The new teacher corrects papers for 9 hours, and the older one fixes them in 6 hours. How much will they repair together?
- Numbers 82720
Which number is also distant from the numbers 5.3 and 7.7 on the number line? - Arithmetic 82287
If the arithmetic mean of the numbers a1, a2, a3, a4, and a5 is the number A, the arithmetic mean of the numbers a1, a2, a3, and a4 is the number B, then what is a5 equal to? - Basement 81681
After the flood, the Nováks would pump water out of the basement with one pump in 120 minutes, the second in 300 minutes, and the third in 600 minutes. How many minutes will it take them to pump the water out of the basement if they use all the pumps at o - Apartment 81654
A woman cleans an apartment in 8 hours and a man in 10 hours. How many hours will they clean together? - Approximately 81561
The International Express has eight cars. There are from 97 to 105 passengers in each car. Approximately how many passengers will be carried by express train?
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