What input screen will you use in this section to compute the sample statistic, test statistic and p-value?
In this section you learned how to perform a hypothesis test for a single proportion use 1-Prop Z-Test
In this section you had (qualitative/quantitative) data. In this case we use the parameter ___ and the random variable
What input screen will you use in this section to compute the sample statistic, test statistic and p-value?
What is the formula for the test statistic in this section? z = _(p ?-p_0)/√((p_0 (1-p_0))/n)_
Fill in the following as you work through your given problems in MyOpenMath
1. individual object: __________ ____________________________________
P: parameter p, The percentage of all consumer complaints in that state that are for identity theft
H: Hypotheses
A: Assumptions
Since information was collected from each object
np≥10
n(1−p)≥10
N≥20n
N: NAME THE PROCEDURE
1-Proportion Z-Test
T: TEST STATISTIC
p? = 103/400
z= 2.26
O: OBTAIN THE P-VALUE
P value = 0.0118
M: Since the p-value Correct 0.02 , we
S: There is significant evidence to conclude the percentage of all consumer complaints in that state that are for identity theft is more than 0.23
2. individual object: _____children__________________________________________
P: p
The percentage of all children in that state that are diagnosed with ASD
H:
p= 1/88
p> 1/88
A:
Qualitative
np≥10
n(1−p)≥ 10
N≥20n
N
1-Proportion Z-Test
T:
p ?=1054/31200
Z = 37.76
O:
P value = 0.0000
M:
Since the p-value 0.06 , we
S:
There is significant evidence to conclude the percentage of all children in that state that are diagnosed with ASD is more than 1/88
What type of error may have been made in the conclusion on problem 1? ____ ________________
What type of error may have been made in the conclusion on problem 2? __ __________________
When doing inferential statistics you need to keep in mind that although you are making educated guesses about the population, they are still __ _____________.
What are the two reasons why a sample result may be different from the claim about the population (hint this answer is in the flashcards)?
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