Mean & MAD
Another word for mean is?
Average
A sample in which every person, object, or event has an equal chance of being selected is called?
A random sample
What type of nut is added to chocolate in the popular Nutella spread?
Answer: Hazelnut
The Summer Olympics are held every ___ years.
Answer: 4
What is the probability to land on heads on a coin?
1/2 or 50%
What does MAD stand for?
When a sample does not accurately represent the population, it is called a?
Biased sample
What was the name of the ancient trade route connecting China with Europe?
Answer: The Silk Road
In which direction does the sun rise and set?
Answer: Rises in the east, sets in the west
What is the probability of getting a 3 on a 6-sided die?
1/6 or 16%
What is the mean of 10, 10, 10, 10, 20?
12
Is this biased or random? Explain
You go to a folk music festival and you want to ask people what their favorite music is
Biased
What does the French phrase “Bon Appétit” mean?
Answer: Enjoy your meal
What is the only mammal capable of flight?
Answer: The bat
What are the chances of getting a king in a standard deck of cards?
4 Kings in a deck: 4/52 or 1/13
What is the mean of 1, 3, 4, 5, 2, 9, 8, 9, 11, 15, 12?
7.18
Silver City Appliances wants to find out how satisfied customers are with the appliances they purchased. The company sent an email to a random selection of customers and asked them to rate their appliances on a scale of 1 to 10 where 1 is terrible and 10 is outstanding. Based on the 103 customer responses, the average satisfaction rating is 7.5 out of 10.
What are the population and the sample of the survey?
Population- store's customers
Sample- customers who responded to the email survery
What does the acronym "STEM" stand for?
Answer: STEM stands for Science, Technology, Engineering, and Mathematics.
Which body system is responsible for taking in oxygen and removing carbon dioxide from our bodies?
Answer: The respiratory system
What is the probability to draw a card that is 5 or less in a deck of cards?
5/13 or 20/52
What is the MAD of 1, 3, 4, 5, 2, 1, 8, 9, 10, 15, 12?
4.03
An ecologist is studying a lake that contains about 2,000 fish. She checks a random sample of 40 fish and finds that 6 show signs of poor health.
Based on this sample, how many fish in the lake should the ecologist expect to show signs of poor health?
Answer: 300
What does the acronym "URL" stand for?
Answer: Uniform Resource Locator
Which animal's eye is bigger than its brain?
Answer: Ostrich
What are the chances of getting heads 4 times in a row when flipping a coin?
1/2 x 1/2 x 1/2 x 1/2 = 1/16