Question

9 The box-and-whisker plot shows the weights, in kilograms, of 40 pandas all of the same gender. a Write down the median weight. b Write down the range. c Find the number of pandas that weigh less than 90 kg. d Write down the percentage of pandas that weigh between 120 and 160 kg. e Find the number of pandas that weigh between 90 and 130 kg. f If the average weight of a panda is about 120 kg, state what information you can deduce from the 40 pandas in the sample. Male pandas weigh, on average, between 80 kg and 140 kg, and females weigh, on average, between 70 kg and 120 kg. g From the box plot, state the gender of the pandas in the sample.

          9 The box-and-whisker plot shows the weights, in kilograms, of 40 pandas all of the same gender. a Write down the median weight. b Write down the range. c Find the number of pandas that weigh less than 90 kg. d Write down the percentage of pandas that weigh between 120 and 160 kg. e Find the number of pandas that weigh between 90 and 130 kg. f If the average weight of a panda is about 120 kg, state what information you can deduce from the 40 pandas in the sample. Male pandas weigh, on average, between 80 kg and 140 kg, and females weigh, on average, between 70 kg and 120 kg. g From the box plot, state the gender of the pandas in the sample.

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9 The box-and-whisker plot shows the weights, in kilograms, of 40 pandas all of the same gender. a Write down the median weight. b Write down the range. c Find the number of pandas that weigh less than 90 kg. d Write down the percentage of pandas that weigh between 120 and 160 kg. e Find the number of pandas that weigh between 90 and 130 kg. f If the average weight of a panda is about 120 kg, state what information you can deduce from the 40 pandas in the sample. Male pandas weigh, on average, between 80 kg and 140 kg, and females weigh, on average, between 70 kg and 120 kg. g From the box plot, state the gender of the pandas in the sample.

Added by Elizabeth C.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

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Solved by Expert David Nguyen

02/05/2022

Step 1

Step 1: Median = 120 kg. Show more…

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The box-and-whisker plot shows the weights, in kilograms, of 40 pandas all of the same gender. a Write down the median weight. b Write down the range. c Find the number of pandas that weigh less than 90 kg. d Write down the percentage of pandas that weigh between 120 and 160 kg. e Find the number of pandas that weigh between 90 and 130 kg. f If the average weight of a panda is about 120 kg, state what information you can deduce from the 40 pandas in the sample. Male pandas weigh, on average, between 80 kg and 140 kg, and females weigh, on average, between 70 kg and 120 kg. g From the box plot, state the gender of the pandas in the sample.

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Transcript

00:01 Hi, i'm david and i'm here to help you answer your question.

00:04 Now let me bring up your question here.

00:06 Let me make it bigger.

00:10 Now we're given the box plot and the whisker and there it will show the weight in kilogram of the 40 bundles of all the same gender.

00:22 In a, we need to write down the median.

00:24 So the median will be the value and the light inside the box and the value here we found equal to the 120.

00:36 So we have a here the answer for the median it will equal to 120.

00:42 Now for the b want to write down the range.

00:46 The range here it will because we look at the box plot we have no outliers that for the range it will equal to the maximum value minus the minimum value.

01:00 The maximum it will drop it down here.

01:02 It looks like the 150 minus the minimum it will be the 80.

01:08 So get equal to the 70.

01:11 And then for the c, want to find the first number, find the number of the bandas that weight less than 90.

01:19 So 90 it will be here and it will correspond to the q.

01:25 This one will correspond to the q1.

01:28 Q1 means that the value below the q1 will be the 25%.

01:33 So it will be the 0 .25 times with the number of the band down will be 40.

01:40 Then we get equal to 015 times 40 equal to the 10.

01:47 And now for the question d, once you write down the percentage of the band that weight between the 120 and 160.

01:58 So the percent of the weight between the 1.

02:03 120 to the 160...

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