Mercer MS 7th Grade Math GMAS Review-Week 9

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate the percentage of a part compared to a whole?
Back
Percentage = (Part/Whole) x 100
2.
FLASHCARD QUESTION
Front
Define theoretical probability.
Back
Theoretical probability is the likelihood of an event occurring based on all possible outcomes, calculated as the number of favorable outcomes divided by the total number of outcomes.
3.
FLASHCARD QUESTION
Front
What does IQR stand for in statistics?
Back
IQR stands for Interquartile Range, which measures the spread of the middle 50% of a data set.
4.
FLASHCARD QUESTION
Front
How do you find the constant of proportionality in a graph?
Back
The constant of proportionality can be found by dividing the dependent variable by the independent variable at any point on the line.
5.
FLASHCARD QUESTION
Front
If 9 out of 25 fans are wearing hats, how do you find the expected number of fans not wearing hats in a larger group?
Back
Use the ratio of fans wearing hats (9/25) to find the expected number not wearing hats in a larger group by calculating (1 - (9/25)) * Total Fans.
6.
FLASHCARD QUESTION
Front
What is a random sample?
Back
A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.
7.
FLASHCARD QUESTION
Front
Explain the concept of median in a data set.
Back
The median is the middle value when a data set is ordered from least to greatest. If there is an even number of observations, the median is the average of the two middle numbers.
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