Statistics - math word problems - page 10 of 42
Number of problems found: 837
- Variability 29933
In September, students missed the following number of lessons: Girls: 2; 0; 7; 8; 2; 2; 4; Boys: 4; 4; 0; 3; 10; 3; 8; Compare the variability of both statistical files. - Distribution 29371
Let the random variable ξ represent the number of satisfied customers. The probability of a satisfied customer for each of the four customers is 7/10. Specify: a) probability distribution, distribution function F(x) and P(-0.5 < ξ < 3.1) b) variance - City market
Apples were sold at contractual prices at the city market. Calculate the average price of 1 kg of apples sold: Stand, Sale kg, Price CZK/kg 1 325 6.20 2 194 7.00 3 258 6.50 4 870 5.90 5 275 6.40 - Average height
There are twice as many girls in the class as there are boys. The average height of girls is 177 cm, and boys 186 cm. What is the average height of students in this class?
- Harvested 21983
There are eight apricot trees in the garden. What was the average yield from one tree if We harvested 130 kg; 215 kg; 198 kg; 284 kg; 97 kg; 90 kg; 160 kg; 252 kg of apricots - Life expectancy
The life expectancy of batteries has a normal distribution with a mean of 350 minutes and a standard deviation of 10 minutes. What is the range in minutes 68% of the batteries will last? What is the range in minutes? How long will approximately 99.7% of b - Carpenters
Carpenters 1 and 2 spend ten days and five days, respectively, to make one table. The first carpenter and 30 made 50 tables by the second. What is the average time spent on the products? - Kilograms of sugar
When weighing twenty-kilogram bags of sugar, we found the following values in kg: 1.00; 1.01; 1.05; 0.99; 1.00; 0.98; 0.99; 1.04; 1.06; 0.93; 1.00; 1.03; 0.97; 1.00; 0.99; 1.05; 1.01; 0.94; 1.00 Compile the honesty table to find the mean, mode, and median - Accommodation 7644
Calculate the average price of accommodation for one night and one room from all hotels if I have 3 hotels: 1. The hotel has 34 rooms for 46 euros/night and an offer of 6 nights, 2. The hotel has 22 rooms for 79 euros/night and offers 5 nights, 3. The hot
- Standard deviation
Find the standard deviation for the dataset (grouped data): Age (years); No. Of Persons 0-10 ; 15 10-20 ; 15 20-30 ; 23 30-40 ; 22 40-50 ; 25 50-60 ; 10 60-70 ; 5 70-80 ; 10 - Average grade
In the 9th grade, the teacher evaluated 24 pupils in the semester: 5 received grade 1, 8 received grade 2, and 11 received grade 3. Find the average grade in mathematics. - Catering business
The Montealegre family has a catering business. At one birthday party, they charged their customers $11,767.50 for a party of 90 people and a service charge of $2,500.50. What was the average cost per person? Please show your solution. - 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. - 5 people
Five people have $122000 each, and one person has $539000. How much should each person (equally) pay?
- 75th percentile (quartille Q3)
Find 75th percentile for 30,42,42,46,46,46,50,50,54 - Measurement 5443
At the last measurement, 4 classmates were 164cm, 168cm, 172cm, and 176cm tall, and the 5th classmate was 5cm shorter than the average height of the first four. What was the average height of the five classmates in cm? - US GDP
Consider the following dataset, which contains the domestic US gross in millions of the top-grossing movies over the last five years. 300,452,513,550,780 I. Find the Mean of the Dataset II. Find the Squared deviation of the second observation from the mea - Temperature 5263
Calculate the average daily temperature from 8 measured values during the day: -8; -5; -5; 1; 3; 0; -4; -6 °C ... - Candies
There are two types of candies in the store 20 CZK/kg and 80 CZK/kg. How much will a mixed cost if we mix 22kg cheaper and 4kg more expensive candies?
Data: 11,15,11,16,12,17,13,21,14,21,15,22 Find the dispersion of a given dataset.Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
