Question

Consider the following data representing the price of plasma televisions (in dollars): 1298, 1343, 1390, 1430, 1272, 1245, 1393, 1178, 1339, 1391, 1182, 1205, 1360, 1396, 1335, 1213, 1199, 1164, 1259, 1434, 1231. Price of Plasma Televisions (in Dollars) Class Frequency Class Boundaries Midpoint Relative Frequency Cumulative Frequency 1164–1213 1214–1263 1264–1313 1314–1363 1364–1413 1414–1463 Step 1 of 7: Determine the class width of the data given. Step 2 of 7: Determine the frequency in the 3rd class. Step 3 of 7: Determine the lower class boundary for the second class. Step 4 of 7: Determine the upper class boundary for the 3rd class. Step 5 of 7: Identify the midpoint of the first class. Step 6 of 7: Calculate the relative frequency of the second class. Determine your answer as a simplified fraction. Step 7 of 7: Compute the cumulative frequency of the 5th class.

          Consider the following data representing the price of plasma televisions (in dollars): 1298, 1343, 1390, 1430, 1272, 1245, 1393, 1178, 1339, 1391, 1182, 1205, 1360, 1396, 1335, 1213, 1199, 1164, 1259, 1434, 1231.

Price of Plasma Televisions (in Dollars)
Class
Frequency
Class Boundaries
Midpoint
Relative Frequency
Cumulative Frequency
1164–1213
1214–1263
1264–1313
1314–1363
1364–1413
1414–1463

Step 1 of 7: Determine the class width of the data given.
Step 2 of 7: Determine the frequency in the 3rd class.
Step 3 of 7: Determine the lower class boundary for the second class.
Step 4 of 7: Determine the upper class boundary for the 3rd class.
Step 5 of 7: Identify the midpoint of the first class.
Step 6 of 7: Calculate the relative frequency of the second class. Determine your answer as a simplified fraction.
Step 7 of 7: Compute the cumulative frequency of the 5th class.

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Added by Chelsea G.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

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Solved by Expert David Nguyen

09/03/2022

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Consider the following data representing the price of plasma televisions (in dollars): 1298, 1343, 1390, 1430, 1272, 1245, 1393, 1178, 1339, 1391, 1182, 1205, 1360, 1396, 1335, 1213, 1199, 1164, 1259, 1434, 1231. Price of Plasma Televisions (in Dollars) Class Frequency Class Boundaries Midpoint Relative Frequency Cumulative Frequency 1164–1213 1214–1263 1264–1313 1314–1363 1364–1413 1414–1463 Step 1 of 7: Determine the class width of the data given. Step 2 of 7: Determine the frequency in the 3rd class. Step 3 of 7: Determine the lower class boundary for the second class. Step 4 of 7: Determine the upper class boundary for the 3rd class. Step 5 of 7: Identify the midpoint of the first class. Step 6 of 7: Calculate the relative frequency of the second class. Determine your answer as a simplified fraction. Step 7 of 7: Compute the cumulative frequency of the 5th class.

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Transcript

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

00:03 Let me bring up your question here.

00:05 In the question here, we are going to discuss about the frequency and the cumulative frequency as well the relative frequency.

00:14 Now we're given the class of the data here and the first step one asking us to determine the class width of the data given.

00:25 So the class width will equal to the upper, we will minus the lower.

00:31 So it means that it will take the first class here, 1 -2 -13 minus the 1164, get equal to sorry, 1 -2 -13 minus 1164 equal to the 49 and here we will see that to get to there we have to have the 45 and the next one, 1263 minus 1 -2 -1214.

01:01 So equal to the 49.

01:03 So therefore the class worth, it will equal to the fifth 49 here.

01:12 And then we will have, it will be the answer for the first step one.

01:18 In the step two, we need to determine the frequency in the third class.

01:24 And in the third class, so let's try to do the whole thing here because we need to compute everything.

01:30 So now we have the list of the data.

01:34 So let's try to fit the data into each class here.

01:39 Now for the first one between the 1164 to the one, one, one two, one three, one two, one three.

01:48 So we have one, two, one, three, it will be the first one will be here.

01:56 One, two, three, and four, five, six.

02:09 So we have six of them...

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