2 lim_x(x²) +0+x

College students and surfers Rex Robinson and Sandy Hudson collected data on the​ self-reported number of days surfed in a month for 30 longboard surfers and 30 shortboard surfers. Complete parts a and b below. Longboard: 9,6,4,10,21,16,9,22,11,4,21,7,16,7,16,18,16,6,5,21,6,14,16,22,15,5,15,7,14,20 compute the means for both longboards and shortboards. The Mean for longboards is? my answer is 6.0713194233404 and it says round to one decimal places as needed I put 6.1 it was wrong should my answer be 6.0

How do you explain the variables of a histogram?

Thirteen students entered the business program at Sante Fe College 2 years ago. The following table indicates what each student scored on the high school SAT math exam and their grade-point averages (GPAs) after students were in the Sante Fe program for 2 years. Student A B C D E F G SAT Score 423 375 590 693 608 390 418 GPA 2.93 2.87 3.03 3.48 3.66 2.85 2.18 Student HIJKLM SAT Score 484 734 501 613 712 362 GPA 2.56 3.22 2.01 2.77 3.90 1.58 a) The least - squares regression equation that shows the best relationship between GPA and the SAT score is (round your responses to four decimal places): ModifyingAbove y with caret = enter your response here + enter your response herex where ModifyingAbove y with caret = GPA and x = SAT score. b.) for a student with an SAT score of 390, the expected gpa = (round your response to the neares two decimal places.) c.) for a student with an SAT score of 790 the expected gpa = ( round your response to the neares two decimal places.) the coeffcient of…

For each test below, describe what it is used for and to what type of data does it apply.(a) Rosner’s test(b) Grubb’s test(c) Dixon’s test

Define the term Qualitative variable with example?

1. A study comparing children's height to their reading level showed that 70% of children who were less than 48 inches tall had a reading level at or below 4th grade, while 80% of children who were 48 inches or taller had a reading level above 4th grade. There are 200 students total, and 110 of them are less than 48 inches tall.

Please help with finding the critical values, thanks.

Briefly explain the difference between leading, coincident, and lagging indicators.

True or false. When drawing a scatter diagram, the explanatory variable is placed along the vertical axis.