proportional reasoning with samples
What is the definition of population?
What is When information is being gathered about a group of objects or individuals.
What is a rate in which the second quantity is one unit?
what is Unit Rate.
Mya is wanting to buy a pair of headphones for 55 dollars if she gets 5 from her allowance every week how long will it take her to get it?
what is 11 weeks.
What is the definition for volume for a rectangular prism?
What is LwH.
what is a sample?
what is a part of a population that is chosen To represent an entire group.
True or false is this a proportional relationship ?
X Y
2 2
4 8
6 18
What is true.
Cupcakes at the cupcake factory cost $3.50 each if you have no more than $42 dollars to spend how many cupcakes can you buy?
what is x greater than or equal to 12.
What is the SA of a rectangular prism?
What is SA = (lw + lh + wh).
Chris a survey question to determine what his coworkers favorite superhero is at the store. He asks every 12 coworker on the list of workers is this a random sample explain?
No this is not a random sample because he is using systematic sampling.
If a candy bar costs a $1.50 how much can you get with 17.25?
What is 11 candy bars.
A ride in a bus costs 5 dollars per block and you want to give a 7 dollar tip and you have 32 dollars how many blocks can you go?
What is 5 blocks.
On each side of this cube measures 7 cm long. What is the SA of the cube?
What is 294 cm2.
Kyle wants to do a survey of the people in school on which football team is there favorite is she randomly selects 10 people form each class of 30 kids is this sample biased or not explain?
What is This sample is not biased because it is an even number.
Use the equation to complete the table of values for the relationship between inches and feet.
feet x inches y
0
1
2
36
48
5
What is 0 What is 12 What is 24 What is 60 What is 3 What is 4.
A Brownie stand at a fair is selling brownies for 2 dollars Larry has 25 dollars and wants to go and get a lemonade from the lemonade stand that costs $3 how much brownies can Larry get and still get a lemonade?
What is 11 Brownies.
A cylinder has a radius of 4 cm and a height of 10 cm. What is the surface area of the cylinder? (Use Pie= 3.14.
What is 351.68 Square centimeters.
Noah wants to know the Favorite pet of kids in his city. He assigned a number to each 500 people on the list to adopt a dog from a dog shelter. He puts the numbers in a hat. He Randomly chooses 40 numbers and surveyed those people is This situation show bias or not?
What is this situation shows bias because the sample only shows the people that want to adopt dogs.
If a car travels 150 miles in 5 hours with the car at a constant speed how far can it travel in 5 hours?
What is 150 miles in 5 hours.
If a pack of pencils costs $5.27 and bill needs to get A binder for 10.50 and a sketchbook for 5.00 and bill has exactly $38 to spend how much packs of pencils can he get?
What is 4 packs of pencils.
A triangular prism has a base area of 12 cm2 , a perimeter of the base of 14 cm, and a height of 10 what is the SA of the triangular prism?
What is 164 cm2