sweet15pumpkin sweet15pumpkin

07-05-2015
Mathematics

Answered

I cannot understand this can you guys help

A student points for a test in a lower math class were 85,81,87,78. what is the student mean & median test points
Mean is
Median

Answer :

07-05-2015

the mean is not the same thing as median
mean=78+81+85+87=331
mean=331/4=82.75
median is the middle number, but you have a par set of numbers, so your median will be the middle numbers 78,81,85,87 , which are 81+85=166, 166/2=83
83 is your median

Answer Link

Other Questions

A rectangle has an area of 32 square feet and a perimeter of 24 feet. What is the shortest of the side lengths, in feet, of the rectangle? F. 1 G. 2 H. 3 J. 4

Sales for a business were 3 million dollars more the second year than the first, and sales for the third year were double the sales for the second year. If sale

The sides of a square are 3 cm long. One vertex of the square is at (2,0) on a square coordinate grid marked in centimeter units. Which of the following points

I need help to graphs these problem please

Conservation biologists are most interested in which three evolutionary mechanisms?

In a group of 10 students, 7 are 13 years old and 3 are 17 years old. What is the average (arithmetic mean) age of these 10 students?

how can a cyclist minimize friction as he or she rides? A.by increasing the weight of the bike B.by increasing the trend on his or her tires C.by decreasing t

Reggie has enough flour to last for 40 days. If he increases his use of flour by 25%, however, how many days' worth of flour will he have? A: 30 days B: 28

factor completely w^4-2401

How Abraham Lincoln honesty affect the outcome of the war?