Mathematics, 26.10.2021 07:00 taylor5384

Computers in some vehicles calculate various quantities related to performance. One of these is fuel efficiency, or gas mileage, usually expressed as miles per gallon (mpg). For one vehicle equipped in this way, the miles per gallon were recorded each time the gas tanked was filled, and the computer was then reset. Here are the mpg values for a random sample of 20 of these records: 40.2
44.2
38.3
47.8
44.2
35.5
38.3
45.1
45.6
49.1

47.3
44.3
44.4
37.8
51.4
48.4
49.0
42.4
43.2
45.8

Requried:
a. Find the mean.
b. Find the standard deviation.
c. Find the standard error.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 20.06.2019 18:04

When benny’s sister penny is 24, benny’s age will be 125% of her age. how old is lenny? a) how old will benny be then? b)if benny is 12 years old now, how old is penny now? explain your reasoning.

Answers: 1

Answer

Mathematics, 20.06.2019 18:04

The graph below shows the price of different numbers of mats at a store: a graph is shown. the values on the x axis are 0, 2, 4, 6, 8, 10. the values on the y axis are 0, 21, 42, 63, 84, and 105. points are shown on ordered pairs 0, 0 and 2, 21 and 4, 42 and 6, 63 and 8, 84. these points are connected by a line. the label on the x axis is number of mats. the title on the y axis is price in dollars. which equation can be used to determine p, the cost of b mats?

Answers: 3

Answer

Mathematics, 21.06.2019 17:00

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Answers: 2

Answer

Mathematics, 21.06.2019 17:20

How do you convert 1.27 to a percentage

Answers: 2

Answer

You know the right answer?

Computers in some vehicles calculate various quantities related to performance. One of these is fuel...