1.Determine whether the data described below are qualitative or quantitative and explain why.
2.The brands of peanut butter eaten in households surveyed by a consumer research company.
3.The number of car accidents on a given stretch of highway each year. The data are discrete because the data can only take on specific values.4.The weights ( in tons) of the trees in a forest. The data are continuous the data can take on any value in an interval. 5.Types of movies (drama, comedy, ect.) Nominal6.The cities in a region. Nominal7.A movie with a 4-star rating is twice as good as one with a 2-star rating. The ratio level of
8.The temperatures ( in C) of water samples taken simultaneously in a large are shown below.
25.3Are the data qualitative or quantitative? Quantitative - What is the data set’s level Measurement?
9.One of the authors received a credit card bill for $3,150, but it included a charge of $1,918 thatwas not valid. Find the values of the absolute and relative errors.
10.25 people, consisting of a statistics professor and her students, are to measure the length of a room to the nearest 10thof a millimeter. Assume that everyone uses the same well-calibrated measuring device, such as a tape measure. The errors are random. If they were systematic, there would be a tendency for the measurements to be all too high or all to low. If the professor wants to minimize the effect of random error in determining the length of the room, isit better to report her own personal measurement as the length of the room or to report the average of all 25 measurements? It is better to use the average because it is likely to be in
11.New Vet weight 3278 pounds, Manufactures scale is 10 pounds weight 3284. Transort scale is0.1 pound and obtains weight 3289.7 pounds. A. The department of trans scale is more