Mathematics, 19.10.2020 22:01 kaylee0424
Wearing a mask helps controlling seasonal influenza virus transmission. A guidance for the use of masks is available on the CDC (Centers for Disease Control and Prevention) website. Professor X has conducted a one-factor experiment using a completely randomized design to study how the duration of time that a specific medical mask remains effectively depends on the humidity levels. The calculations are summarized in an ANOVA of the one-way layout data he obtained. The results are recorded on a laboratory notebook. Recently, Professor X wanted to review the results of this experiment, but found his notebook has been partially damaged. On the data page, the data points for the first humidity level are blurred.
Humidity level Duration (Quarter-hour)
1 blurred
2 34, 19, 16, 30, 22
3 23, 26, 31, 17
4 17, 13, 22
Professor X didn’t remember the number of replica for Level 1. Luckily, he found an ANOVA for this data set.
Df Sum Sq Mean Sq F value Pr(>F)
Group 3 518.64 172.88 4.547 0.0295
Residuals 10 380.22 38.02
Professor X needs your help. Please recover the original data and explain how you find them.
Answers: 3
Mathematics, 21.06.2019 17:40
The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?
Answers: 2
Mathematics, 21.06.2019 20:30
You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density
Answers: 1
Mathematics, 21.06.2019 23:30
The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume
Answers: 1
Mathematics, 22.06.2019 00:30
If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000
Answers: 2
Wearing a mask helps controlling seasonal influenza virus transmission. A guidance for the use of ma...
Mathematics, 02.12.2020 18:20
Chemistry, 02.12.2020 18:20
Business, 02.12.2020 18:20
Mathematics, 02.12.2020 18:20
Chemistry, 02.12.2020 18:20
Mathematics, 02.12.2020 18:20
English, 02.12.2020 18:20
History, 02.12.2020 18:20
Mathematics, 02.12.2020 18:20
Mathematics, 02.12.2020 18:20
Mathematics, 02.12.2020 18:20
Arts, 02.12.2020 18:20