I think it’s A. Here is my sloppy writing.
Answer:
The researcher should reject the null hypothesis at the significance level
Step-by-step explanation:
If the P-value is smaller than the significance level, the null hypothesis is rejected
If the P-value is the same as the significance level, the null hypothesis is rejected
The df value for the t statistic for this study is 12.
To calculate the df value or degree of freedom we have to learn about test-statistic.
<h3>What is t statistics and how is it related to df(degree of freedom)?</h3>
In the field of statistics , T-statistic is the ratio of the estimated value of the perimeter to its standard error. Degree of freedom or df value denotes the number of data (from a sample) is used to calculate the estimate .
Importantly the degree of freedom is different from the sample space of an experiment.
The formula for calculating the df of a function is given by
df=N1+N2-2
So in the given question, N1=6 and N2=8
Substituting the values we get df=N1+N2-2=8+6-2=12 .
Therefore the value of the degree of freedom is 12.
To learn more about t-statistic and df values:
brainly.com/question/15236063
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Answer:
A number less than 4 was rolled 18 times.
The number cube was rolled 50 times. The relative frequency of rolling a number less than 4 is 36%.
Answer:
Option 2.
Explanation:
That method is the most random in order to decide what students should take the survey.
