"during a race the following time (in second) were recorded find the median " 2.59, 2.07, 2.11,10.77

2. a student recorded the following sequence of elapsed minutes of time in her lab notebook. Find the mean. 2.19, 2.92, 2.84, 2.12, 2.75, 2.37, 2.25

3. find the mean, median, and mode for the following daily care sales at a local dealership. 13, 15, 26, 11, 26,16, 12

4. to geta B in math shelia must averages 80 on five tests. the scores for her first four tests were 82, 77, 81, and 79. find out the lowest score she can get on the last test and still average a B.

5.the numbers for miles per gallon (MPG) for 62 race cars are given in the the following frequency table. find the mean, median, and mode for the data

MPG 19 20 21 22 23 24 25 26 27 28 29 30

Frequency 1, 7, 3 , 7 6, 8 ,8 7, 4, 4, 5, 2

6. the table contains the salaries of the employee at a store . what is the mean salary.

Type salary

Manager$27,400

saleperson$ 17,400

secretary $16,800

Custiodian $12,000

7. find the grade point average. assume the grade point values are A=4 B=3, etc

Course credit Grade

math 5 A

English 4 B

Chemistry 4 B

French 2 c

8. Given the 2015 poplation below. find the mean population for these five countries

Country Population(millions)

A 1334

B 1113

C 392

D 282

E 134

9. given the population and areas below. for each country find the population density.

Country Population(millions) Area(thousands of square miles

A 1386 3620

B 1118 1141

C 349 35

D 282 791

E 1173291

10. Given pulse rates(beats per minutes) of seven students. find the mean pulse.

Students Pulse

Walt 74

Karia 85

Monique 64

Derek 80

Morgan 60

Olivia 64

Carlos 89