Compare & Order
Scientific Notation
Vocabulary
MAD
Random Sampling
100
Prove which is greater: 2/5 or 1/2
What is 1/2 because 1/2 is .5 and 2/5 is .4?
100
A cell measures 4.2 x 10^-6 , what is this number in standard notation? ^ means it is an exponent! sorry!
What is 0.0000042
100
_______________________ is the total collection of persons, objects, or items of interest.
What is population?
100
What is the average distance from the mean for this set of numbers: 2, 9, 3, 7, 4?
What is 2.4?
100
Standing outside Pop's chicken surveying customers of they like chicken is random sampling. True or False
What is False?
200
Which is less: 1/8 or 0.12, must prove why.
What is 0.12 is less because 1/8 is 0.125?
200
The earth is approximately 9.4 x 10^7 miles away from the sun. What is this number in standard notation?
What is 94,000,000
200
When two sets of data are strongly linked together, they have a _____________________.
What is correlation?
200
What is the average distance from the mean for this set of numbers (19,23, 18, 20)?
What is 1.5?
200
The local scout troop surveyed people at an apartment building to decide how many bags of lawn fertilizer they might be able to sell. They determined that they could sell very few bags. Why might their conclusion NOT be valid?
What is the Scout Troop asked a population that does not have yards to fertilize.
300
Write is order from greatest to least: 62.5%, 2/3 and 0.6.
What is 2/3, 62.5%, 0.6?
300
A bacteria sample measured 0.000735 grams. How is this number expressed in scientific notation?
What is 7.35 x 10^-4
300
____________________ is how spread out or closely clustered a set of data is.
What is variability?
300
Mrs. Douglas's classes had scores of 87, 65, 93, 84, 96, 78 giving her a mean score of 84 from her 6 classes. What was the average distance from the mean for her 6 classes?
What is 8.2?
300
Which of the following simulations would NOT generate a random sample that is representative of the population from which it was selected? A. Selecting students’ names out of a bag to serve on the school mascot committee. B. Spinning a spinner with 3 equally divided sections to determine students’ favorite day of the week. C. Using a random number generator to generate an identification number for the winner of the school door prize each week throughout the school year.
What is B?
400
Which fraction is NOT between 3/5 and 3/4? 2/3, 5/6, 5/8 or 7/10
What is 5/6?
400
Pluto's orbit around the sun is approximately 3,670,000,000 miles. What is this number written in scientific notation?
What is 3.67 x 10^9
400
Any number that can be written as a ratio. They can be terminating decimals or repeating decimals.
What is rational numbers?
400
Shoe sizes from Mrs. Davis' random sampling in her 3rd period class is listed (7.5, 9, 4.5, 6, 13, 9, 8.5, 7.5, 6, 6.5). What is mean absolute deviation for the show sizes in her class? Round the mean and average distance to the nearest tenth.
What is 1.9?
400
The Travis Middle School swim coach surveyed swimmers to determine their favorite activity outside of school. 80% said their favorite activity was swimming. He concluded that Travis students' favorite activity was swimming. Which is the best explanation of why his results might NOT be valid? Answer must have depth of knowledge for points.
What is possible topics in answers: swimmers, involved in sports, biased representation...
500
Which is greater: 77% or 7/9? (must prove why)
What is 7/9 because 77% is 0.77 and 7/9 is 0.7777 repeating
500
The sand that I collected from Florida measured 34572.8 milligrams. What is this number expressed in scientific notation?
What is 3.45728 x 10^4
500
The distance a number is from zero on the number line is called the __________________________.
What is absolute value?
500
What is the mean absolute deviation of the following values: 12.7, 22, 23.5, 24, 11, 22?
What is 4.9?
500
Brian surveyed the members of his Recreation Center and found that they wanted the city to build a basketball court with lights. He went to the city to explain that a sampling of the citizens wanted this to be able to play at night. A. Explain what was wrong with Brian's sample. B. What would be a better sample to make Brian's argument more effective?
What is Brian only surveyed people at the center to the citizens of the town; Brian should research random members of the community not just the members of the center.
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