Mathematics, 21.10.2020 21:01 Robinlynn228
A researcher wanted to estimate the average amount of money spent on extracurricular activities per school in a certain region. The researcher randomly selected 20 public schools and 20 private schools in the region to use for a sample. What sampling method was used? Systematic random sample, none of the above, simple random sample, cluster random sample, stratified random sample
Answers: 3
Mathematics, 21.06.2019 15:30
Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9
Answers: 1
Mathematics, 21.06.2019 22:00
Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?
Answers: 2
Mathematics, 21.06.2019 23:10
Use the distance formula to find the distance between (-3,5) and (3,1)
Answers: 1
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