Different strands of corn are grown in two plots. A random sample of Strand A and Strand B plants are selected and their heights are measured. The sample mean
height of Strand A plants is 38 inches while the sample mean height of Strand B
plants is 35 inches. The standard deviation of the difference between these sample
means is 1.2 inches.
Using this information which range would best represent the possible values for a
95% confidence interval on the difference in the two population means with the
correct conclusion about this difference?

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.

How much is $1200 worth at the end of1 year,if the interest rate is 5.5% is compounded quarterly.