The University of Missouri-St. Louis gave a validation test to entering students who had taken calculus in high school. There are 121 students overall, 28 of which received college credit for the calculus they took in high school and 93 of which did not receive college credit. The group of 93 students receiving no college credit had a mean score of 4.17 on the validation test with a sample standard deviation of 3.7 ( p s = P(xi − X¯) 2/(93 − 1) = 3.7). For the 28 students who received credit from a high school dual-enrollment class, the mean score was 4.61 with a sample standard deviation of 4.28. (a) Find a 95% confidence int

answer: 20

step-by-step explanation: subtract the minimum date value from the maximum data value to find the date range. in this casem the date range is 42 - 22 = 20

hope this ! : ) ~zane

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

this excerpt is taken from the book “we shall not be moved : the women’s factory strike of 1909 “ and is written by joan dash. it is the story of the great strike when almost 30thousand women working in factories in america formed a union to fight unsafe working conditions, long working hours and miserable wages.

question: which best states the author’s purpose for including this information in the text?

answer: to challenge the reader’s ideas about a historical event

here the answers ur welcome also plz mark as brainliest if someone else anwers