Explain what this confidence interval means.

To help make decisions about advertising potential for your website, you are interested in learning the average amount of time visitors to your website spend on the site. You manage to collect a month’s worth of data that includes 9,872 website visits and their duration. The data are in attached.

  1. Build a 90% confidence interval for the mean visit duration for all visitors to your website. Explain what this confidence interval means.
  2. Build a 95% confidence interval for the mean visit duration for all visitors to your website. Explain what this confidence interval means.
  3. Build a 99% confidence interval for the mean visit duration for all visitors to your website. Explain what this confidence interval means.
  4. Is there reason to believe your confidence levels are inaccurate? If so, what assumption(s) may be inaccurate?
find the cost of your paper

What are the multiple correlations of three sets of predictors and overall state of health?

What are the multiple correlations of three sets of predictors and overall state of health? The first set of predictors contains demographic variables (age and years of education). The second….

What conclusions might you draw from these data?

According to the Death Penalty Information Center, death penalty states record higher murder rates than non-deathpenalty states. On January 1, 2014, the average murder rate among death penalty states was….

How would you defend these reforms to persons who advocate for tough-on-crime approaches?

The 10-member Colson Task Force on Federal Corrections is composed of Republican and Democrat federal and state congressional leaders, a federal judge, a U.S. attorney, a state warden, a professor,….