A college wants to determine if the grade in a Physics 1 course will be higher if they make Calculus 1 a perquisite instead of a corequisite. The college randomly samples 100 students that completed a...

Question 3: give the test statistic.
A college wants to determine if the grade in a Physics 1 course will be<br>higher if they make Calculus 1 a perquisite instead of a corequisite.<br>The college randomly samples 100 students that completed a Physics<br>1 course that took Calculus 1 as a prerequisite. The average grade of<br>these students was a 76% in their Physics 1 course, with a standard<br>deviation of 20%. The school randomly sampled 140 students that<br>completed a Physics 1 course that took Calculus 1 as a corequisite.<br>The average grade of these students was a 74% with a standard<br>deviation of 21%. Defining population 1 as the students who took<br>Calculus 1 before Physics 1, and population 2 as students who took<br>Calculus 1 with physics, use a 5% significaice level to determine if the<br>average grade of all students who take Calculus 1 before Physics 1 is<br>higher.<br>Give the hypotheses.<br>

Extracted text: A college wants to determine if the grade in a Physics 1 course will be higher if they make Calculus 1 a perquisite instead of a corequisite. The college randomly samples 100 students that completed a Physics 1 course that took Calculus 1 as a prerequisite. The average grade of these students was a 76% in their Physics 1 course, with a standard deviation of 20%. The school randomly sampled 140 students that completed a Physics 1 course that took Calculus 1 as a corequisite. The average grade of these students was a 74% with a standard deviation of 21%. Defining population 1 as the students who took Calculus 1 before Physics 1, and population 2 as students who took Calculus 1 with physics, use a 5% significaice level to determine if the average grade of all students who take Calculus 1 before Physics 1 is higher. Give the hypotheses.
Give the test statistic.<br>O z = 0.75<br>O z = 0.74<br>Oz = 0.05<br>Z = 1.64<br>

Extracted text: Give the test statistic. O z = 0.75 O z = 0.74 Oz = 0.05 Z = 1.64

Jun 02, 2022
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