Is there reason to believe there is a positive linear, Ask an Expert

Statistics

A marketing firm wished to determine whether the number of television commercials broadcast was linearly correlated with the sales of its product. The data was obtained from 10 different cities and the calcuated value of r was 0.67. Is this linear correlation coeffiecient significantly greater than zero, at alpha = 0.05?

State the alternative hypothesis: Ha: rho 0 (enter the symbol)

State the degrees of freedom:

< p-value <

State the decision ( R for reject Ho and F for fail to reject Ho)

Is there reason to believe there is a positive linear correlation between the number of t.v. commercials and the sale of this product? ( yes or no)

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9360030

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Assume the probability of a male being lt 21 is 1867 the

Assume the probability of a male being 50 is 4.80%, and the probability of being female and > 50 is 8.00%. Based on this information and the information in the tables above, what is the probability that someone

The seaboard shipping company has a warehouse terminal in

The Seaboard Shipping Company has a warehouse terminal in Spartanburg, South Carolina. The capacity of each terminal dock is 3 trucks. As trucks enter the terminal, the drivers receive numbers, and when one of the three ...

Past data from a specialized lung cancer clinic show that

Past data from a specialized lung cancer clinic show that 10% of patients entering the clinic have lung cancer. Data also shows 5% of the patients are smokers. Additionally, it is found that 7% of the patients are smoker ...

List the three assumptions of the independent groups t-test

List the three assumptions of the independent groups t-test. The consequences of violating which assumption are exacerbated if you have unequal N

Assume that when adults with smartphones are randomly

Assume that when adults with smartphones are randomly? selected, 42?% use them in meetings or classes. If 7 adult smartphone users are randomly? selected, find the probability that at least 5 of them use their smartphone ...

What statistic was calculated to determine differences

What statistic was calculated to determine differences between the intervention and control groups for the lumbar and femur neck BMDs? Were the groups significantly different for BMDs?

Te proportion of people who love dogs is known to be 75

The proportion of people who love dogs is known to be 75 % Australia wide. A town in far north Queensland is often different in many aspects to the rest of Australia. When 88 families were sampled the proportion who love ...

1 dominos pizza is willing is willing to pay kes 250

1. Domino's pizza is willing is willing to pay Kes 250 in airtime to each person interviewed about his or likes and dislikes of types of pizza crust. Of the people interviewed, 220 liked a thin crust, 270 like a thick cr ...

Is there a way to approach this problem in excelthe

Is there a way to approach this problem in Excel: The Marriott Hotel marketing team wants to estimate ρ, the proportion of the hotel guests who were return visitors in the past three years. They select a simple random sa ...

A data firm records a large amount of data

A data firm records a large amount of data. Historically, 1.0% of the pages of data recorded by the firm contain errors. If two hundred pages of data are randomly selected? a. What is the probability that six or more pa ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert