Mathematics, 30.10.2019 00:31 shayshay7874
Li designed a survey to determine how comfortable students at her middle school are with fractions. there are 600 students in her middle school. the students are equally distributed among grade levels. she selected a sample of 28 students in her first-period class. which best explains li’s sample?
a. random and biased
b. random and unbiased
c. nonrandom and biased
d. nonrandom and unbiased
Answers: 1
Mathematics, 21.06.2019 17:00
Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?
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Mathematics, 21.06.2019 20:10
What additional information could be used to prove abc =mqr using sas? check all that apply.
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Mathematics, 22.06.2019 00:20
Find the power set of each of these sets, where a and b are distinct elements. a) {a} b) {a, b} c) {1, 2, 3, 4} show steps
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Mathematics, 22.06.2019 00:50
You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?
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Li designed a survey to determine how comfortable students at her middle school are with fractions....
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