Mathematics, 12.09.2019 21:20 lisamiller
The following data represent weights in kilograms of maize harvest from a random sample of 72 experimental plots on st. vincent, an island in the caribbean (reference: b. g. f. springer, proceedings, caribbean food corps. soc., vol. 10, pp. 147-152). for convenience, the data are presented in increasing order.
7.8 9.1 9.5 10.0 10.2 10.5 11.1 11.5 11.7 11.8
12.2 12.2 12.5 13.1 13.5 13.7 13.7 14.0 14.4 14.5
14.6 15.2 15.5 16.0 16.0 16.1 16.5 17.2 17.8 18.2
19.0 19.1 19.3 19.8 20.0 20.2 20.3 20.5 20.9 21.1
21.4 21.8 22.0 22.0 22.4 22.5 22.5 22.8 22.8 23.1
23.1 23.2 23.7 23.8 23.8 23.8 23.8 24.0 24.1 24.1
24.5 24.5 24.9 25.1 25.2 25.5 26.1 26.4 26.5 26.7
27.1 29.5
a) compute the five-number summary.
b) compute the interquartile range.
c) make a box-and-whisker plot.
d) discuss the distribution. does the lower half of the distribution show more data spread than the upper half?
Answers: 1
Mathematics, 21.06.2019 20:00
Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2
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Mathematics, 21.06.2019 22:40
The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
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Mathematics, 22.06.2019 00:30
What is the mean of the data set 125, 141, 213, 155, 281
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The following data represent weights in kilograms of maize harvest from a random sample of 72 experi...
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