Ten individuals went on a low-fat diet for 12 weeks to lower their cholesterol. The data are recorded in the table below. Do you think that their cholesterol levels were significantly lowered? Conduct a hypothesis test at the 5% level.

Starting cholesterol level Ending cholesterol level

140 140

220 230

100 120

240 220

200 190

180 150

190 200

360 300

280 300

260 240

1.State the distribution to use for the test. (Enter your answer in the formzort_dfwheredfis the degrees of freedom.)

2.What is the test statistic? (If using thezdistribution round your answer to two decimal places, and if using thetdistribution round your answer to three decimal places.)

3.What is thep-value? (Round your answer to four decimal places.)

4.Alpha (Enter an exact number as an integer, fraction, or decimal.) =