A random sample of 13 CBC students was taken and administrators wanted to look at the number of credits each student enrolled in during their first quarter at the college. The results are
given (in number of credits):
7, 10, 10, 12, 12, 12, 15, 15, 15, 15, 15, 17, 20
Calculate the sample standard deviation for number of credits that the 13 selected students
were enrolled in. Round to the nearest tenth. Enter your answer without units.

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Could someone with number 1 and 2

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit