Statistics In Busniess

1. The data below represent the amount of grams of carbohydrates in a serving of breakfast cereal in a try out of 12 different servings. 11 20 28 33 37 22 21 14 44 25 17 29 a. The arithmetic smashed carbohydrates in this try out is ________ grams. b. The median carbohydrate amount in the cereal is ________ grams. c. The swop in the carbohydrate amounts is ________ grams. d. The bill refraction of the carbohydrate amounts is ________ grams. e. concern a box-and-whisker plot for the carbohydrate amounts. f. What type of shape does the scattering of the sample appear to have? 2. A set of closing mental testination puts in COMM 291 is normally distributed with a mean of 73 and a standard deviation of 8. What is the prospect of instituteting a grade of 91 or less on this exam? 3. The median(a) score of all students in COMM 291 is normally distributed with a mean of 73 and a standard deviation of 8. surmise some other 30 students impart take the course near term. point out the probability that the average score of the 30 students will overstep 65. 4. An appliance manufacturer avers to have developed a constrict cook oven that consumes an average of no more than 252 W. From introductory studies, it is believed that force play consumption for microwave ovens is normally distributed with a standard deviation of 10 W.

A consumer group has decided to canvas to move if the claim appears true. They take a sample of 20 microwave ovens and find that they consume an average of 255.6 W. a. b. c. d. e. f. Write grim the enamour hypotheses. For a test with a level of deduction of 0.05, the fine lever would be ________! . The value of the test statistic is ________. The p value of the test is ________. Should the null hypothesis be jilted or not given the significance level of 5%? dependable or False: The consumer group can terminate that thither is enough evidence to prove that the manufacturers claim is not true when allowing for a 5% probability of committing a type I error. 5. A researcher...If you want to get a full essay, order it on our website: BestEssayCheap.com

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