Mathematics, 17.12.2020 14:00 Ezekielcassese
A teacher is interested in students’ opinions about an upcoming school dance. Which of the following techniques uses systematic random sampling?
A) Survey the first 10 students who arrive.
B) Survey every 10th classroom as the teacher walks down the hallway.
C) Survey the 10th student arriving at school (with the number 10 being randomly chosen), then survey every 12th student after that.
D) Survey the 10th student arriving at school (with the number 10 being randomly chosen), then survey every other boy and every other girl after that.
Answers: 1
Mathematics, 21.06.2019 16:10
The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.
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Mathematics, 21.06.2019 17:50
To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1
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Mathematics, 21.06.2019 19:00
Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.
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A teacher is interested in students’ opinions about an upcoming school dance. Which of the following...
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