Three products were used in a hot summer to keep the pool chlorine level high. Each product wasused in 6 pools, and there was a total of 18 pools in the experiment. The same amount of chlorinewas added to each pool (A, B, or C) and the conditions such as pool size, temperature, sun exposureetc. were similar. The chlorine levels (%) were measured and recorded after 24 hours of using theproducts. The percentages in the table below are the percentage of the chlorine added to the poolremaining after this 24 hours. The data is as follows:A965652667060e)Write the conclusion based on the ANOVA table.B443634504048с344032222024

Null Hypothesis: H0: There is no difference among the average amount of chlorine from all the three…

Answered: Three products were used in a hot…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Three products were used in a hot summer to keep the pool chlorine level high. Each product was used in 6 pools, and there was a total of 18 pools in the experiment. The same amount of chlorine was added to each pool (A, B, or C) and the conditions such as pool size, temperature, sun exposure etc. were similar. The chlorine levels (%) were measured and recorded after 24 hours of using the products. The percentages in the table below are the percentage of the chlorine added to the pool remaining after this 24 hours. The data is as follows: A 96 56 52 66 70 60 B 44 36 34 50 40 48 с 723227 34 40 20 24 a) Find the overall mean of the chlorine level across all the pools measured, and then find the mean of the chlorine level for each product.
A student's research shows that there were more accidents in 2015 than there were in 1915. He concludes that people were better drivers in 1915 than in 2015.What would be a more appropriate or valid measure for this comparison? A.Compare the number of people who don't have an accident for 1915 and 2015 B.Compare the number of car accidents in those years, grouped by region C. Compare the number of car accidents in 1905 and 2005 D.Compare the accident rates(percentages) for 1915 and 2015
A data set contains the nutritional content per serving of 77 brands of breakfast cereal. Manufacturer, cold/hot, calories, grams of sugar and grams of fiber are recorded for each cereal brand. How many quantitative variables have been recorded for each individual?
A researcher hypothesized that cytokinins and auxins supplied by tumor-inducing insects lead to the production of tumors in plants. She performed experiments in which she hypodermically injected green pepper plants to determine if she could induce tumors. In one experiment she varied the concentration of cytokinin and the ratio of auxin concentration to cytokinin concentration. She used 3 concentrations of cytokinin and 6 ratios of auxin/cytokinin. The concentrations are indexed (1-3) with 3 indicating the highest concentration of cytokinin. The 6 ratios of auxin/cytokinin varied from 0.125 to 5.0 with values greater than 1 indicating that auxin was in greater concentration than cytokinin. The resulting data are in the date file "auxcyt.csv". The measured sizes of the tumors induced (relative to controls) are given in the 3rd column ('sumdiffd'). Analyze these data testing the appropriate hypotheses and interpret the results. (Note the unequal sample sizes.) auxcyt data…
Please double check my answers.
I can't understand why the data is the percentage of surveyed parents.
If a coin is flipped 225 times and the number of Hs is 75. Compute the proportion of Hs. Round to three places.
Solve 3 and 4
The US population is 13% African American. If you were to take a SRS of 500 Americans, below what proportion will we find 50% of our sample proportions?
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 35 who smoke. Step 1 of 2 : Suppose a sample of 1089 Americans over 35 is drawn. Of these people, 359 smoke. Using the data, estimate the proportion of Americans over 35 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places.
Thomas makes five paper airplanes with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each airplane to fall to the groupld. A. What is the independent variable? B. What is one control variable?
A sample of 1000 observations taken from population-1 gave x, =290 . Another sample of size 1200 taken from population-2 yielded x,=396. Find the sample pooled proportion. A. 0.6882 B. 0.2146 C. 0.3118 D. 0.0957

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