Paired Samples T-Test
1 2  | 
data | 
 the data as a data frame  | 
x | 
 a string specifying the first measurement in   | 
y | 
 a string specifying the second measurement in   | 
alternative | 
 
  | 
mu | 
 a number, the mean of the null hypothesis  | 
varEqual | 
 TRUE or FALSE (default), assume equal variances  | 
confLevel | 
 a number between 0 and 1 (default: 0.95), specifying the confidence interval width  | 
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