Is it easier to hula hoop with a light-weight hula hoop than a weighted hula hoop? To investigate this question, 80 adults were randomly selected. Each person hula hooped with both the light-weight hula hoop and the weighted hula hoop. The time the hula hoop was kept in motion was recorded in seconds. Which one of the significance tests given below should be used?                                        

Select the correct conclusion. A consumer group randomly selected 20 college textbooks and looked up the prices for each of them on two different internet web sites.  They tested for differences in prices between the two web sites at a 0.05 level of significance and calculated a p-value of 0.03.  What should they conclude?

A study reports that the systolic blood pressure of study participants assigned a new drug treatment is 10mm/dl lower, on average, than those in the control group.  The margin of error for a 95% confidence interval is given as plus or minus 3 mg/dl.  This means

A study on nicotine dependence for teenage smokers obtained a random sample of seventh graders. Dependency scores were measured for two groups of teenage smokers: those who said they inhale and those who said they do not inhale.  The researchers want to test whether there is a significant difference in mean dependency scores between the two groups.  Which of the following statistical inference techniques should be used?

You are replicating a previously published study.  If you use the level of confidence and standard deviation as the previous study, but you increase the sample size for a confidence interval estimate, your margin of error will

Sales representatives at a large local logistics company receive commission pay each month in addition to their monthly base pay. A random sample of 65 sales representatives at this company is selected. The sample mean monthly commission pay was $3,451 and the standard deviation was $289. The 90% confidence interval estimate for the true mean monthly commission pay for sales representatives at this logistics company is between $ (lower bound) and $ (upper bound). Round your answer to two decimal places.

A consumer research team randomly selected 25 popular electronic items and compared the prices for each item at two major retail stores. They want to determine if differences in prices exist between the two stores. Which of the following statistical inference techniques should be used?

What is an independent businessperson who is paid a commission to sell complementary products of different producers in an assigned territory without actually taking possession of the merchandise called?

When Cheetos Crunchy Buffalo was introduced as part of the Frito-Lay product line, the company most likely used what type of distribution?

What are the physical elements in a store’s design that appeal to consumers’ emotions and encourage buying?