Alab is conducting a test to see if people prefer chip a or chip b. the steps in the test are outlined below:

step 1. recruit one hundred volunteers and tell them the purpose of the study.

step 2. give them chip a and ask them to rate the flavor.

step 3. give them chip b and ask them to rate the flavor.

step 4. tell them which one you like and ask if they still prefer the one they chose.

which step could lead to biased results?

step 1
step 2
step 3
step 4

Step 4. Tell them which one you like and ask if they still prefer the one they chose.

Step-by-step explanation:

Steps 1, 2 and 3 are absolutely right because this is the true way in which any test can be conducted. Step 4 is the one that could produce biased results. This is because, if a person like chip A but you told them that you like chip B, he can say that yes B was better.You can also manipulate people to change their results. Hence, this step can lead to biased result.

no idea

step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value