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  3. a pew poll taken in 2010 surveyed 830 people aged

A PEW POLL TAKEN IN 2010 SURVEYED 830 PEOPLE AGED 18-29, AND FOUND THAT 166 OF They...

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Statistics

A PEW POLL TAKEN IN 2010 SURVEYED 830 PEOPLE AGED 18-29, ANDFOUND THAT 166 OF
They HAD ONE OR MORE TATTOOS. CAN YOU CONCLUDE THAT THE PERCENTAGEOF PEOPLE
AGED 18-29 WHO HAS A TATTOO IS LESS THAN 25%.


a) WRITE THE HYPOTHESIS TEST.

b) WHAT KIND OF TEST IS IT?

c) WHAT IS THE SAMPLE MEAN?

d) FIND THE STANDARD ERROR.

e) DRAW THE BELL CURVE RELATIVE TO H 0

f) FIND THE Z STAT FOR THE SAMPLE MEAN THAT YOU FOUND IN (C)

g) DRAW THE P-VALUE REGION ON THE STANDARD BELL

h) FIND THE P-VALUE

i) WHAT IS THE RESULT AT α = 0.01?

j) WRITE A SENTENCE ABOUT THE RESULT WITH RESPECT

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