One Sample T-Test

Results
Calculated from: T_Test_One_Sample.csv using R.
Mean: 68.2 (standard deviation = 5.20, standard error = 1.65)
P-value: 0.0001
Degrees of freedom: 9
T-statistic: -7.1724

Written as a sentence
There was significance (mean = 68.2), with a 95% confidence interval from 64.48 to 71.92; t (9) = -7.17, p < 0.001.


Test assumptions
Your data must have these characteristics for this test to be valid.
1) The values in each group are normally distributed.
2) A minimum of ten samples is recommended.
Note: the Welch's T-Test variant was used for this calculation.


Interpreting results: recommended readings
Need a refresher? Start here!
1) Warning Signs in Experimental Design and Interpretation
2) Type I and Type II Errors






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