Violent acts on prime-time tv a typical hour of prime-time, Ask an Expert

Statistics

Violent acts on prime-time TV. A typical hour of prime-time television shows three to five violent acts. Linking family interviews and police records shows a clear association between time spent watching TV as a child and later aggressive behavior

(a) Explain why this is an observational study rather than an experiment.

(b) Suggest several variables describing a child's home life that may be related to how much TV he or she watches. How would the effects of these variables make it difficult to conclude that more TV causes more aggressive behavior?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92229269

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

In a survey of 100 people 40 were casual drinkers

In a survey of 100 people, 40 were casual drinkers (event D ), and 60 did not drink (event D ' ). Of the ones who drank, 6 had minor headaches. Of the non-drinkers, 9 had minor headaches. Let D represent set of surv ...

A professor teaches two statistics classes the morning

A professor teaches two statistics classes. The morning class has 25 students and their average on the first test was 82. The evening class has 15 students and their average on the same test was 74. What is the average o ...

A sample of 175 randomly selected students found that the

A sample of 175 randomly selected students, found that the proportion of students planning to travel home for thanksgiving is 0.64 What is the standard deviation of the sampling distribution.

A box contains n white and m black balls one ball is added

A box contains n white and m black balls. One ball is added randomly, white with probability p and black with probability 1 - p. Then a random ball is taken out from the box. (a) Find the probability that the taken ball ...

Recent test scores on the law school admission test lsat

Recent test scores on the Law School Admission Test (LSAT) are normally distributed with a mean of 162.4 and a standard deviation of 15.9. What is the probability that the mean of 12 randomly selected scores is less than ...

The rate of inflation in year 1 is expected to be 14 year

The rate of inflation in year 1 is expected to be 1.4%, year two is 1.8%, and years three through five is expected to be 2%. Assume the real risk-free rate, r*, is 3% for all maturities. What should the yield to maturity ...

A political candidate wishes to determine if endorsing

A political candidate wishes to determine if endorsing increased social spending is likely to affect her standing in the polls. She has access to data on the popularity of several other candidates who have endorsed incre ...

How to calculate the sample space problem consider the

How to calculate the sample space? Problem: Consider the experiment of drawing two cards from a deck in which all picture cards have been removed and adding their values (with ace = 1)

Consider the binomial distribution where n 11 and p 005

Consider the binomial distribution where n = 11 and p = 0.05. Find the mean and standard deviation of this binomial distribution. The customers at a local appliance store are polled as they leave the store. Each is asked ...

If the coefficient of determination is 0233 what percentage

If the coefficient of determination is 0.233, what percentage of the data about the regression line is explained? How do I go about solving this?

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