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The ratings discussed in Problem 3 were constructed because the company felt that the moisture levels in the raw material were causing them to have problems in their plant. The data set rat ings2 . txt contains both the ratings and the corresponding moisture levels for the raw material.
(a) Make a scatter plot of the data.
(b) Write a paragraph describing the relationship between the two variables. Is there evidence of a relationship between the ratings and the moisture levels?
(c) Discuss the potential merits or downfall of the rating measurement.
Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
according to the uw madison 2003-2004 factbook 11488 of the 24890 students enrolled at uw madison during that year were
Choose a point at random in the square with sides 0 ≤ x ≤ 1 and 0 ≤ y ≤ 1. This means that the probability that the point falls in any region within the square is the area of that region.
Suppose that verbal scores on SAT exam have a normal distribution with a population mean 500 points and population standard deviation of 100.
Compute standard deviation of the mean and show in a graphical format. Calculate variance in the turnover trend (%) for department stores in 2012.Analyse the top industry group performance in each of the states
What is the probability that the dealer busts and you may assume that the dealer is usign only 1 deck, and that you have not observed the values of any other cards.
a teacher finds that the scores of a particularly difficult test were normally distributed with a mean of 76 and
What methods can be adopted to test for reliability in both qualitative and quantitative research
What variables that affect blood pressure might confuse the comparison of average blood pressures for users and nonusers? That is, what factors affecting blood pressure might differ for users and nonusers. Explain.
a computer can be classified as either cutting-edge or ancient. 93 of computers are classified as ancient. a what is
Based on this information can we determine the proportion of weeks the family spends less than $200. If so, find this proportion. If not, explain why.
The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 370 grams and a standard deviation of 15 grams. Find the weight that corresponds to each event:
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