Blog

Manny conducts a study on an energy drink he developed. He wants to find the correlation between drinking his energy drink and people’s ability to concentrate.   He obtains the following information: Data for Manny’s Drink Ounce of Energy Drink Consumed Concentration (1 = low – 10 = high) 2 4 5 2 4 9 7 2 2 1 6 5   Which of the following is an accurate interpretation of his results? Make sure to check your correlation to interpret it correctly.

According to the correlation matrix below, which variable is most predictive of Hours Studying? Correlation Matrix GPA Part Time Work  Attendance Hours Studying GPA 1 Part Time Work -0.48 1 Attendance 0.62 -0.34 1 Hours Studying 0.55 0.14 0.23 1

Four companies are tracking the number of customers they got across 8 months. They each decide to report their average visits to determine which of them is the most popular. Company D decides to use the Mean for their average. Calculate the mean for Company D. Round your answer to two decimal places Data Table Company A Company B Company C Company D 59 [b1] 6 [d1] 10 [b2] 69 [d2] 2 [b3] 93 [d3] 14 [b4] 97 [d4] 19 [b5] 60 [d5] 1 [b6] 91 [o] 20 [b7] 102 [d7] 10 [b8] 92 [d8]

Manny conducts a study on an energy drink he developed. He wants to find the correlation between drinking his energy drink and people’s ability to concentrate.   He obtains the following information: Data for Manny’s Drink Ounce of Energy Drink Consumed Concentration (1 = low – 10 = high) 2 4 5 2 4 5 1 3 6 10 2 2   Which of the following is an accurate interpretation of his results? Make sure to check your correlation to interpret it correctly.

Manny conducts a study on an energy drink he developed. He wants to find the correlation between drinking his energy drink and people’s ability to concentrate.   He obtains the following information: Data for Manny’s Drink Ounce of Energy Drink Consumed Concentration (1 = low – 10 = high) 2 4 5 1 4 9 7 2 2 7 6 5   Which of the following is an accurate interpretation of his results? Make sure to check your correlation to interpret it correctly.

The more sleep you have, the better your mood is. This is an example of a ___________.

According to the correlation matrix below, which variable is most predictive of a larger GPA? Correlation Matrix GPA Part Time Work  Attendance Hours Studying GPA 1 Part Time Work -0.43 1 Attendance 0.67 -0.41 1 Hours Studying 0.64 0.39 0.22 1

According to the correlation matrix below, which variable is most predictive of a larger GPA? Correlation Matrix GPA Part Time Work  Attendance Hours Studying GPA 1 Part Time Work -0.33 1 Attendance 0.54 -0.29 1 Hours Studying 0.62 0.45 0.18 1

What is the Standard Deviation for Condition C? Data Table Condition A Condition B Condition C Condition D [f] 13 [a] 34 [g] 16 [b] 45 [h] 15 [c] 67 [i] 10 [d] 34 [j] 11 [f] 55 [k] 12 [g] 64 [m] 16 [h] 39

Four companies are tracking the number of customers they got across 8 months. They each decide to report their average visits to determine which of them is the most popular. Company A decides to use the Mean for their average. Calculate the mean for Company A. Round your answer to two decimal places   Data: Customers per Month Company A Company B Company C Company D [a1] 18 [c1] 56 [a2] 16 [c2] 42 [a3] 25 [c3] 15 [o] 19 [c4] 64 [a5] 10 [c5] 28 [a6] 19 [c6] 94 [a7] 24 [c7] 13 [a8] 12 [c8] 45