average calculation

The average rate of reaction is calculated by determining the difference in [O 2 ] concentration over different intervals of time and dividing the difference by D ..

Example 2: The gaseous phase decomposition of dinitrogen pentoxide (N 2 O 5 ) to nitrogen dioxide (NO 2 ) and oxygen (O 2 ) is given by, For the reaction the concentration of O 2 was monitored and the following data were obtained. Time/s 0 600 1200 1800 3000 4200 [O 2 ] M 0 0...

Emily drives from Milan to Sheldon, a distance of 372 miles in 6 hours. Calculate her average speed. => 62 mi/hr or 63 mi/hr or 60 mi/hr or 61 mi/hr..

A manufacturer claims that the average life time of an electronic component is at least 40 hours. A sample of 50 components average life time was calculated, and the decision was to reject the null hypothesis from the test statistic. Which of the following statements s..

A company manufacturing calculators found that on an average 94% of the cartons contain no defective items, 3 % contain 1 defective item, 2 % contain 2 defective items and 1% contain 3 defective items. How many cartons per month would the manufacturer need to replace, if he is u..

When we travel in a vehicle the speed of the vehicle changes from time to time depending upon the conditions existing on the road. In such a situation, the speed is calculated by taking the ratio of the total distance travelled by the vehicle to the total time taken for the journey. This ..

Hanna and Stephanie traveled to Chicago this autumn. The number of miles they drove and the amount of gas utilized are given in the table. Calculate the average mileage (per gallon) of the car during the trip. Day 1 Day 2 Day 3 Day 4 Distance (in miles) 360 360 435 300 Gas utili..

A county sheriff is checking whether the number of accidents on a highway is related to the number of vehicles(X 1 ) that travel on that highway and the average speed (in miles per hour)(X 2 ) at which they are traveling.The data for a period of 8 weeks as shown here. Calculate ..

The coach of an NBA team wanted to know the relationship between the heights of his players and the average points scored by them in each game. After certain rounds of games he had this data. Player A B C D E F G H I J Height (in inches) 71 78 79 80 82 84 81 81 74 80 Points (avg/game) 13...

Mean deviation is easy to calculate. This measure is simple to understand. This can be calculated from any average. Its value is based upon all the (observations) items of the data. It is less affected by extreme observations. It gives us an idea about how the ..