Rational Numbers
|-82| ___ 76
>
Decide if the responses you would produce from the following question is numerical or categorical.
You must explain why!
What is your favorite breakfast food?
Categorical:
Food is not a numerical value and doesn't include numbers
See slide 5:
19
Define histogram:
Example answer:A histogram is a graph we used in math to show the frequency distribution of continuous numerical data.
Plot these numbers on a number line in order from smallest to greatest:
-9/5, -1.9, -2.1, 0, -4/2
Order on number line:
-2.1, -4/2, -1.9, -9/5, 0
Decide if the responses you would produce from the following question is numerical or categorical.
You must explain why!
How many minutes did it take you to get to ready for school this morning?
Numerical
The responses are based in numbers of minutes
Sixth-grade students were asked, "What grade are you in?" Explain if you think this is a statistical question or not.
NOT a statistical question
There is only one possible answer choice. Statistical questions require a variety of answers and not only one.
See slide 11:
B. is the only true answer
Solve the following inequality:
|-285| ___ 95 x 3
Must show you worked out problem for points!!!
Decide if the responses you would produce from the following question is numerical or categorical.
You must explain why!
How did you get to school this morning?
Categorical:
No numbers are used in your response
See slide 4:
Dot Plot 1 and 4
See slide 12:
Check examples:
Jeff has to be a minimum of 150 pounds for his wrestling match. Which of the following inequalities describes Jeff's possible weight?
A. w = 150 pounds
B. w > 150 pounds
C. w ≥ 150 pounds
D. w ≤ 150 pounds
C. w ≥ 150 pounds
Decide if the responses you would produce from the following question is numerical or categorical.
You must explain why!
What time did you go to bed last night?
Numerical:
Time can be measured and compared, you can find the average bed time. This means the difference between each one matters.
See slide 6:
See slide 7:
Class size (A), birth weight (D), number of goals (E)
We can only use numerical data in dot plots
See slide 10:
No, their center is not approximately the same
Histogram 1: 85-95
Histogram 2: 95-105
22(32 + 2) ___ |-68 x 11|
Must show you worked out the problem for points!!!
=
Decide if the responses you would produce from the following question is numerical or categorical.
You must explain why!
What is your zip code?
Categorical
Although it is made of numbers, you can't add, subtract, or multiply these numbers to change your response
See slide 8:
1. US 2.Canada 3.New Zealand 4.Australia 5.South Africa
Approximate Travel Times in order:
1. 9 min 2. 11 min 3. 12.5 min 4. 18 min 5. 23.5 min
See slide 9:
A = 3
B = 1
C = 5
D = 2
E = 4