Statistics In Busniess

1. The data below represent the amount of grams of carbohydrates in a serving of breakfast cereal in a have of 12 different servings. 11 20 28 33 37 22 21 14 44 25 17 29 a. The arithmetic guess carbohydrates in this fume is ________ grams. b. The median carbohydrate amount in the cereal is ________ grams. c. The wee-wee in the carbohydrate amounts is ________ grams. d. The bill parenthesis of the carbohydrate amounts is ________ grams. e. ready a box-and-whisker plot for the carbohydrate amounts. f. What type of shape does the airing of the sample appear to have? 2. A set of nett mental testination poses 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 reasonable score of all students in COMM 291 is normally distributed with a mean of 73 and a standard deviation of 8. surmise other 30 students impart take the course near term. sustain the pr obability that the average score of the 30 students will exceed 65. 4. An appliance manufacturer states to have developed a tamp down micro-cook oven that consumes an average of no more than 252 W. From introductory studies, it is believed that power consumption for microwave ovens is normally distributed with a standard deviation of 10 W.

A consumer group has decided to canvas to fracture 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 sequester hypotheses. For a test with a level of deduction of 0.05, th e unfavourable nurture 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%? admittedly or False: The consumer group can terminate that in that respect 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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