Mathematics, 06.12.2019 23:31 nev322
Astatistics teacher wants to know how her students feel about an introductory statistics course. she decides to administer a survey to a random sample of students taking the course. she has several sampling plans to choose from. which plan is simple random sampling?
a) there are four grade levels of students taking the class: freshmen, sophomores, juniors, and seniors. randomly select 15 students from each grade level
b) randomly select a grade level (freshmen, sophomores, juniors, and seniors) and survey every student in that grade level
c) each student has a nine-digit studentnumber. randomly choose 60 numbers.
d) using the class roster, select every fifth student from the list.
Answers: 1
Mathematics, 21.06.2019 16:00
The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.
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Mathematics, 21.06.2019 19:00
Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =
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Mathematics, 21.06.2019 19:00
Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f
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Mathematics, 21.06.2019 20:00
Find the slope of the line passing through a pair of points
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Astatistics teacher wants to know how her students feel about an introductory statistics course. she...
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