subject
Mathematics, 06.05.2020 21:34 aangellexith2885

Daniela recorded the low temperatures during the school day last week and this week. Her results are shown in the table below. Low Temperatures during the School Day This Week and Last Week Low Temperatures This Week (Degrees Fahrenheit) 42 38 45 46 39 Low Temperatures Last Week (Degrees Fahrenheit) 56 58 52 62 62 Daniela used the steps below to find a relationship between the difference in the mean temperatures and the mean absolute deviations of the data sets. This Week Last Week Step 1 Find the mean. StartFraction 42 + 38 + 45 + 46 + 39 over 5 EndFraction = 42 Find the mean. StartFraction 56 + 58 + 52 + 62 + 62 over 5 EndFraction = 58 Step 2 Find the mean absolute deviation. StartFraction StartAbsoluteValue 42 minus 42 EndAbsoluteValue + StartAbsoluteValue 38 minus 42 EndAbsoluteValue + StartFraction StartAbsoluteValue 45 minus 42 EndAbsoluteValue + StartFraction StartAbsoluteValue 46 minus 42 EndAbsoluteValue + StartFraction StartAbsoluteValue 39 minus 42 EndAbsoluteValue over 5 EndFraction = 2.8 Find the mean absolute deviation. StartFraction StartAbsoluteValue 56 minus 58 EndAbsoluteValue + StartAbsoluteValue 58 minus 58 EndAbsoluteValue + StartFraction StartAbsoluteValue 52 minus 58 EndAbsoluteValue + StartFraction StartAbsoluteValue 62 minus 58 EndAbsoluteValue + StartFraction StartAbsoluteValue 62 minus 58 EndAbsoluteValue over 5 EndFraction = 3.2 Step 3 Find the ratio of the differences of the means compared to the mean absolute deviation. StartFraction 42 over 2.8 EndFraction = 15 Find the ratio of the differences of the means compared to the mean absolute deviation. StartFraction 58 over 3.2 EndFraction = 18.125 Step 4 The difference in the means is about StartFraction 15 + 18 over 2 EndFraction = 16.5 times the mean absolute deviations. In which step did Daniela make the first error? Step 1 Step 2 Step 3 Step 4

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 12:40, trujillo03
In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.
Answers: 2
image
Mathematics, 21.06.2019 17:00, afletcher2000
Jasmine wants to eat at 8: 00pm her meal takes 65mins to cook what time does she need to put the meal in the oven
Answers: 2
image
Mathematics, 21.06.2019 18:50, abbieT6943
Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5
Answers: 1
image
Mathematics, 21.06.2019 22:00, Cdhan88
Find two consexutive odd integers such that the sum of their square is 650
Answers: 2
You know the right answer?
Daniela recorded the low temperatures during the school day last week and this week. Her results are...

Questions in other subjects:

Konu
Mathematics, 23.04.2021 09:00
Konu
History, 23.04.2021 09:00
Konu
Mathematics, 23.04.2021 09:00