Remember that a confounding variable affects the response, Ask an Expert

Statistics

Remember that a confounding variable affects the response variable and is related to the explanatory variable. For each of the following situations, explain how the given confounding variable meets these criteria.

a. Response variable = Math skills of children aged 6 to 12 years old; explanatory variable = shoe size; confounding variable = age.

b. Response variable = Whether or not a student gets a cold during a school term; explanatory variable = whether or not the student procrastinates in doing assignments; confounding variable = number of hours per week the student spends socializing.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92221065

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A puck company wants to sponsor the players with the 20

A puck company wants to sponsor the players with the 20% quickest goals in hockey games. The times of first goals are normally distributed with a mean of 8.54 minutes and a standard deviation of 4.91 minutes. How fast wo ...

Amount of emails mean30find the probability that 20 emails

Amount of emails. Mean=30 Find the probability that 20 emails are received on the first day and 50 emails are received on the second day.

Carrie ds has 67 million shares of common stock outstanding

Carrie D's has 6.7 million shares of common stock outstanding, 3.7 million shares of preferred stock outstanding, and 27.00 thousand bonds. If the common shares are selling for $29.80 per share, the preferred share are s ...

Martin enterprises needs someone to supply it with 109000

Martin Enterprises needs someone to supply it with 109,000 cartons of machine screws per year to support its manufacturing needs over the next five years, and you've decided to bid on the contract. It will cost you $740, ...

The acme insurance company has two types of customers

The ACME Insurance Company has two types of customers, careful and reckless. A careful customer has an accident during the year with probability 0.01. A reckless customer has an accident during the year with probability ...

If an urn1 contains 6purle balls and 4red balls and urn2

If an Urn1 contains 6purle balls and 4red balls. And Urn2 contains 4purple balls and 6 red balls. Urn3 contains 4purple balls and 5red balls. If one of the urns is selected at random and a ball is drawn, what is the prob ...

In a class there are 7 girls and 5 boys the median age of

In a class there are 7 girls and 5 boys. The median age of the 7 girls is 12 and the median age of the 5 boys is 14. Additionally, you know that there are 3 girls with age greater than 14 and 2 boys with age less than 12 ...

Why does a high standard deviation of a stocks rate of

Why does a high standard deviation of a stock's rate of return mean that that stock is risky? Explain. (Hint: Intuitively explain how we calculate standard deviation and what does it mean)

A random sample of 34 taxpayers claimed an average of 9623

A random sample of 34 taxpayers claimed an average of ?$9,623 in medical expenses for the year. Assume the population standard deviation for these deductions was ?$2,441. Construct confidence intervals to estimate the av ...

You are working with a moe of -4 and a confidence level of

You are working with a MOE of +/-4% and a confidence level of 95%. P and Q =.50, and your CPI is $25.00. The company you work for needs to make a decision as to whether they may need different advertising for men and wom ...

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