Ms. Figgs asked 25 students in her 7th grade homeroom to select their favorite cookie. The results are recorded in the table bel
ow.
Based on the results, how many students will NOT select chocolate chip as there favorite cookie, if there are 250 students in the seventh grade? It would mean the world if someone could answer ASAP it’s my last question in my quiz for math.
Based on the results, how many students will NOT select chocolate chip as there favorite cookie, if there are 250 students in the seventh grade? It would mean the world if someone could answer ASAP it’s my last question in my quiz for math.
1 answer:
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Answer:
a)
b) The sample deviation is calculated from the following formula:
And for this case after replace the values and with the sample mean already calculated we got:
If we assume that the data represent a population then the standard deviation would be given by:
And then the deviation would be:
Step-by-step explanation:
For this case we have the following dataset:
67.401, 67.400, 67.402, 67.396, 67.406, 67.401, 67.396, 67.401, 67.405, and 67.404
Part a: Determine the most probable value.
For this case the most probably value would be the sample mean given by this formula:
And if we replace we got:
Part b: Determine the standard deviation
The sample deviation is calculated from the following formula:
And for this case after replace the values and with the sample mean already calculated we got:
If we assume that the data represent a population then the standard deviation would be given by:
And then the deviation would be: