The following data represent the highway fuel consumptions (in miles per gallon) for a sample of cars. Use the data to answer parts a through d.
The following data represent the highway fuel consumptions (in miles per gallon) for a sample of cars
The highway fuel consumptions (in miles per gallon) for a sample of cars are summarized in the box-and-whisker plot. 24 26 28 30 32 34 36 a. What is the first quartile? b. What is the third quartile? c. What is the median? d. What is the midrange? e. What is the range? f. What is the interquartile range?
The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) Compute the z-score corresponding to the individual who obtained 34.6 miles per gallon. Interpret this result. (b) Determine the quartiles. (c) Compute and interpret the interquartile range, IQR. (d) Determine the lower and upper fences. Are there any outliers?
The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine (a) Compute the z-score corresponding to the individual who obtained 38.0 miles per gallon. Interpret this result. (b) Determine the quartiles. (c) Compute and interpret the interquartile range, IQR. (d) Determine the lower and upper fences. Are there any outliers? ll Click the icon to view the data. 32.6 36.0 37.9 38.6 40.2 42.4 34.0 36.3 38.0 39.0 40.6 42.7...
The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) Compute the z-score corresponding to the individual who obtained 40.1 miles Per gallon (b) Determine the quartiles. (c) Compute and interpret the interquartile range, IQR. (d) Determine the lower and upper fences. Are there any outliers? 32.6 34.2 34.4 35.6 35.9 36.3 37.4 37.6 37.8 38.0 38.1 38.6 38.7 38.9 39.5 39.7 40.1 40.6 41.4 41.8 42.5 42.9 43.5...
The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) Compute the z-score corresponding to the individual who obtained 36.2 miles per gallon. Interpret this result. (b) Determine the quartiles. (c) Compute and interpret the interquartile range, IQR. (d) Determine the lower and upper fences. Are there any outliers? 32.7, 34.4, 34.8, 35.5, 36.0, 36.2, 37.4, 37.6, 37.8, 38.0, 38.1, 38.4, 38.7, 38.9, 39.5, 39.6, 40.3, 40.6, 41.3,...
The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) Compute the z-score corresponding to the individual who obtained 49.2 miles per gallon. Interpret this result. (b) Determine the quartiles. (c) Compute and interpret the interquartile range, IQR. (d) Determine the lower and upper fences. Are there any outliers? Click the icon to view the data vidual is two decid 32.5 34.2 34.6 35.5 36.0 36.2 37.5 37.7 38.0...
The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) Compute the z-score corresponding to the individual who obtained 37.637.6 miles per gallon. Interpret this result. (b) Determine the quartiles. (c) Compute and interpret the interquartile range, IQR. (d) Determine the lower and upper fences. Are there any outliers? 32.6 36.2 38.0 38.5 40.3 42.1 34.5 36.4 38.1 39.0 40.5 42.5 34.7 37.4 38.2 39.3 41.4 43.6 35.8 37.6...
The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) Compute the Z-score corresponding to the individual who obtained 39.7 miles per gallon. Interpret this result. (b) Determine the quartiles. (c) Compute and interpret the interquartile range, IQR. (d) Determine the lower and upper fences. Are there any outliers? Click the icon to view the data. (a) Compute the z-score corresponding to the individual who obtained 39.7 miles per...
a,b,c The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) Determine the quartiles (b) Compute the interquartile range, IQR (c) Determine the lower and upper fences. Are there any outliers? B! Click the icon to view the MPG Data (a) Determine the quartiles. Q,- mpg (Type an integer or a decimal Q,- mpg (Type an integer or a decimal (b) Compute the interquartile (Type an integer or a...
Problem 1 (18 points) Suppose the distribution of fuel efficiency (miles per gallon (mpg) in highway driving) for a sample of cars has a mound-shaped and symmetric distribution with mean X =38 and standard deviations 10 points. Illustrate your answers with graphs. a. Calculate the percent of cars whose fuel efficiency is less than 48 mpg. b. Calculate the percent of scores that are between 28 and 68 mpg. c. Calculate the 16th percentile of the data.