On a field trip, Mary collects 7 worms and measures their lengths: 6.5cm, 4.7cm, 10.2cm, 9.1cm, 8.8cm, 12.0cm, and 7.5cm. Calculate and interpret the standard deviation.​

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?