Lifetimes of two brands of penlight batteries

Assignment Help Basic Statistics

Reference no: EM13995369

Comparing the lifetimes of two brands of penlight batteries, a researcher has randomly selected 10 batteries of brand A and 10 of brand B, then subjected each battery to the same usage test. Given the lifetimes listed below and using the 0.05 level of significance, can we conclude that brand A is superior to brand B? Using the appropriate sta- tistical table, what is the most accurate statement that can be made about the p-value for the test?

Brand A 93.4 119.1 94.3 90.0 66.0

121.4 92.5 111.6 87.6 98.0 minutes

Brand B 59.2 65.5 81.5 92.5 71.7

69.4 83.4 92.5 93.3 81.7 minutes

Reference no: EM13995369

Questions Cloud

Determining the p-value for the test : The times are shown here. At the 0.05 level, do the seat designs differ significantly in terms of the time that patrons stay? Using the appropriate statistical table, what is the most accurate statement we can make about the p-value for the test..

Longer demanded and what was the impact on labor : Explain why the demand for labor is a derived demand using examples from your workplace. What are some historic examples of products that are no longer demanded and what was the impact on labor?

Quality of rental housing units falls-black markets develop : Rent controls force landlords to price apartments below the equilibrium price level. An immediate effect is a shortage (excess demand) of apartments, because the quantity of apartments demanded is greater than the quantity supplied at the regulated p..

Priscilla is a fashion designer and appointed val : Priscilla is a fashion designer and appointed Val to sell her designs. Val also sells fashions created by some 60 other designers. Each week Val sells and average of 1,500 items of clothing to various retailers. The money received from the retailers ..

Lifetimes of two brands of penlight batteries : Comparing the lifetimes of two brands of penlight batteries, a researcher has randomly selected 10 batteries of brand A and 10 of brand B, then subjected each battery to the same usage test. Given the lifetimes listed below and using the 0.05 lev..

Price and quantity of burgers sold : Suppose In-N-Out burgers sells only burgers, and that P and Y are the price and quantity of burgers sold. In-N-Out revenues R are given by R=P.Y. Finally, suppose P grows at 1% and Y grows at 2%. Given this information you can say that revenues grow ..

Median age of automobiles and trucks : According to R.L. Polk & Company, the median age of automobiles and trucks on the road in the United States is about 9 years. The ages for a random sample of vehicles in the executive parking lot of a metal fabrication company are listed in fi..

Given the information below what is this years cash flow : Given the Information below, what is this year's cash flow from operations? Given the information below, what is this year's cash flow from investment? Given the information below, what is this year's cash flow from financing? Given the information b..

Creating a businesslike tone : Analyze the strengths and weaknesses of each sentence and (2) revise the document so that it follows this chapter's guidelines. T e message was written by the marketing manager of an online retailer of baby-related products in the hope of becoming a ..

User Account

All Pages