Statistics
Range: 58 , 53 , 64 , 35 , 85 , 65 , 70 , 50
Maximum 85- Minimum 35 = 50
Range = 50
Find the MEDIAN number of customers for the lunch orders.
Tacos 10
Tostados 15
Burritos 12
Taco Bowl 15
Enchilada 10
Chimachangas 9
Median = 11
Ivan needs new highlighters. He can buy a package of 6 highlighters for $7.50 or a package of 4 highlighters for $6.00. Which package of highlighters has the best price per highlighter? (Need the work to PROVE)
$7.50 divided by 6= $1.25 each
$6.00 divided by 4=$1.50 each
6 for $7.50 is better buy
Cameron ate 3 slices of pizza. Samantha ate 2 slices of pizza. There were 8 slices to begin with. What fraction of the pizza did Samantha eat? What fraction of the pizza is left?
She ate 2 slices out of 8 =2/8
simplify= 1/4
Ate 1/4
Create a Ratio Table for the following Ratio( 5 compartments plus the 2:3)
2:3
2:3
4:6
6:9
8:12
10:15
12:18
What is the Q3? 1, 3, 7, 9, 11, 13, 15
Q3=13
What is the IQR (Q3-Q1)? 1, 5, 7, 9, 10, 12, 15
IQR= 12-5=7
What are three ways to write a ratio of 3 red marbles to 2 blue marbles
2:3
2 to 3
2/3
length Xwidth X height
lwh
which is not an equivalent fraction to 1/3
3/9, 4/12, 4/6, 9/27,
4/6
Mean: 73 , 97 , 35 , 74 , 86 , 90 , 70 , 67 , 81
Average =74.8 or 75
A class chooses 7 students to take a survey asking "How many hours do they sleep at night?" The results were: { 9, 6, 8, 8, 7, 4, 7 }. Identify the mean.
On average = 7
Simplify: 10/14
5/7
Jamie exercised for 5/6 of an hour in the morning and 1/3 of an hour in the evening. How much more time did Jamie spend exercising in the morning than the afternoon?i
(clue make common denominators and then decide function)
( can use desmos)
5/6 subtract 1/3=
use desmos
5/6-2/6 =3/6
3/6 =1/2
What is the formula to find the area of tiangle
BH/2
base times height divided by 2
Students received the following grades on a math test: { 67, 52, 90, 100, 91, 75, 82, 100, 107 }. Identify the range.
what is the Q1, and Q3 of data
51, 21, 44, 22, 50, 50, 49, 52, 20
20, 21,23,44,49,50,50,52,53
Q1-22
Q3- 51
Compare fractions using <>, or = 1/3 and 2/4
2/4 or 1/2 is greater than
1/3<2/4
A business has 324 cases of soda. There are 48 cans in each case. How many cans of soda does the business have?
324 X48 =15,552 cans of soda
Write the equations fo
A number v divided by 30.
V/30 ( write like a fraction)
Name two ways to display data or name two visual data displays
Box and Whiskers Plot
Line Graph
Bar Graph or Histogram
Dot Plot
Draw and write the parts of a box and whiskers plot in order ( left to right)
Minimum, Q1, median, Q3, maximum
lower extreme, lowerquartile, median, upper quartile, upper extreme
Put these numbers in order from least to greatest -
4, -4, 2, -2, 0
-4,-2,0,2,4
Solve the 1-step equation:
2x = 100
100/2=
X=50
A florist uses 5 red roses for every 2 white roses in her bouquets.
If the florist uses 10 red roses in a bouquet, how many white roses does she use?
5 red/2 white
10 red/ 4 white
Answer 4 white