Vocab
This is the entire group of items or individuals under consideration
What is Population?
#12 The population of the study if from a production run of 24600 smartphones, every 150th smartphone is tested?
24600 smartphones
The answers to #13
What is A and C
Number 17 - the number of burritos that will be sold to 400 customers.
What is 96
This is a prediction made about a population
What is inference?
#9 this is the mean of the 15 sample means
What is 2.2 hours
The Answer to number 20
What is D
#16 it is the parameter
What is the proportion of voters that support the increase?
This occurs when a sample is drawn in such a way that one or more parts of the population are favored over others.
What is a sample bias
#10 this is the number of students represented in the dot plot
What is 300 students
#20 the estimated number of deer
what is D 4000
In order to estimate the population of bass fish in a lake 40 were tagged and released one day. 2 days later 6 fish were caught with tags out of 30 total bass fish caught. This is the estimated total number of bass fish in the lake.
What is 200.
This is a value that describes a population
What is a parameter?
#14 It is the population
what is all the voters in the city
#21 the true statement
What is C? On any given day, you could expect the number of canoe rentals to be greater than the number of kayak rentals
Bias or non-biased. A manager wants information on the cleanliness of her restaurant. He surveys the first 40 customers to enter the restaurant.
What is biased
This is a value calculated from a sample which is used to estimate a parameter
What is a statistic
#15 It is the sample
what is the 200 voters in the survey?
#18 Biased or unbiased?
What is unbiased?
#19 Valid or invalid?