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Question 70 / 5 pointsThe average weight of the entire batch of the boxes of cereal filled today was 18.03 ounces. A random sample of four boxes was selected with the following weights: 18.02, 18.12, 18.10, and 18.08. The sampling error for this sample is ________.0.00-0.040.050.02t5280 / 5 pointsA ________ is a single value that best describes the population of interest.confidence intervalpoint estimateconfidence levelmargin of errorQuestion 95 / 5 pointsApple would like to estimate the web browsing battery life of the iPad. The following data represents the battery life, in hours, experienced by six users.Using this sample, the 95% confidence interval that estimates the average web browsing battery lifefor the iPad is ________.Question 105 / 5 points
A local church has a congregation consisting of 480 adult members. The church's administrators would like to estimate the average weekly donation per member per week. A random sample of 65 members was found to have an average donation of $50.40 and a standard deviation of $12.30. The95% confidence interval to estimate the average weekly donation is ________.Question 110 / 5 pointsThe U.S. Census Bureau would like to estimate the average square footage of a new single-family home with a 95% confidence interval and a margin of error within plus or minus 200 square feet. Assuming the standard deviation for the square footage of new single-family homes is 850 square feet, the required sample size is ________.