The parents amp teens 2006 survey of 935 12- to, Ask an Expert

Statistics

The Parents & Teens 2006 Survey of 935 12- to 17-year-olds found that, among teens aged 15 - 17, girls were significantly more likely to have used social networking sites and online profiles.

70% of the girls surveyed had used an online social network, compared to 54% of the boys. What does it mean to say that the difference in proportions is significant?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92231519

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

What is the sample size for studies with moe of -35 and -28

What is the sample size for studies with MOE of +/-3.5% and +/-2.8%, with a confidence level of 95%, sample statistics of 50. Suppose the category population was 7500 (less than 10,000)? Remember the FPC. What would be t ...

Most analysts focus on the cost of tuition as the way to

Most analysts focus on the cost of tuition as the way to measure the cost of a college education. But incidentals, such as textbook costs, are rarely considered. A researcher at Drummand University wishes to estimate the ...

Assignment -in this assignment ms excel must be used to

Assignment - In this assignment MS Excel must be used to perform any calculations/graphical presentations as required in this assignment. Question 1 - Below you are given the examination scores of 20 students (data set a ...

Many manufacturing problems involve the accurate matching

Many manufacturing problems involve the accurate matching of machine parts, such as shafts, that fit into a valve hole. A particular design requires a shaft with a diameter of 22.000 mm, but shafts with diameters betwe ...

Your client wants to buy a business that provides financial

Your client wants to buy a business that provides financial advice to local small businesses. The firm generated $650,000 in cash flows during the previous year, and the discount rate to value firms in this sector is 11% ...

Te height of woman ages 20-29 is normally distributed

The height of woman ages 20-29 is normally distributed , with a mean of 64.3 inches. assuming the standard diviation = 2.4 inches. are you more likely to randomly select 1 woman with a height less than 66.2 inches or are ...

On a correlation matrix you will usually see two values per

On a correlation matrix, you will usually see two values per comparison. The top value for a correlation measurement will be the Pearson correlation, right under that you will see a p-value. I understand when you have a ...

These are some questions for my finance class that is

These are some questions for my finance class that is giving some trouble to understand completely: Can Enterprise Value be negative? Why? How would you value an apple tree?

Suppose that x1 middot middot middot xn are normal with

Suppose that X1, · · · .Xn are normal with mean µ1; Y1, · · · , Yn are normal with mean µ2, and W1, · · · , Wn are normal with mean µ1 + µ2. Assuming that all 3n random variables are independent with a common variance, f ...

A factory makes parts for laptop computers including screws

A factory makes parts for laptop computers, including screws. The screws are required to have the right length. The lengths of the screws obey a normal distribution with mean μ=4.25 millimeters and standard deviation σ=0 ...

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