The science and math club surveyed students, parents and teachers to determine the average amount of water usage per day. The results are show in the graph below. Average Amount of Water Water Usage Taking a Shower Flushing a Toilet Washing Hands Brushing Teeth Washing Dishes Washing Clothes Washing a Car Gallons used per Day 14 19 2 1 2 18 2 Which type of graph best displays the data? A. circle graph B. line graph C. bar graph D. Venn diagram​

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).