Mathematics, 03.05.2021 18:30 malachitorres813
Hue is arranging chairs. She can form 7 rows of a given length with 2 chairs left over, or 9 rows of that
same length if she gets 12 more chairs. Complete the equation and solve it to find how many chairs are
that row length. In your equation, use the variable x to represent the number of chairs in each row.
The equation is
+
There are
chairs in each row.
Answers: 2
Mathematics, 21.06.2019 19:10
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In this problem, we explore the effect on the standard deviation of multiplying each data value in a data set by the same constant. consider the data set 14, 6, 8, 15, 15. (a) use the defining formula, the computation formula, or a calculator to compute s. (round your answer to one decimal place.) s = 4.28 (b) multiply each data value by 3 to obtain the new data set 42, 18, 24, 45, 45. compute s. (round your answer to one decimal place.) s = 12.83 (c) compare the results of parts (a) and (b). in general, how does the standard deviation change if each data value is multiplied by a constant c? multiplying each data value by the same constant c results in the standard deviation remaining the same. multiplying each data value by the same constant c results in the standard deviation being |c| times as large. multiplying each data value by the same constant c results in the standard deviation increasing by c units. multiplying each data value by the same constant c results in the standard deviation being |c| times smaller. (d) you recorded the weekly distances you bicycled in miles and computed the standard deviation to be s = 3.8 miles. your friend wants to know the standard deviation in kilometers. do you need to redo all the calculations? yes no given 1 mile ≠1.6 kilometers, what is the standard deviation in kilometers? (enter your answer to two decimal places.)
Answers: 1
Hue is arranging chairs. She can form 7 rows of a given length with 2 chairs left over, or 9 rows of...
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