The sample mean/average of the data is expressed by _____
Posted: Thu Jul 14, 2022 1:47 pm
a) \( \sum_0^n x_i \div n \)
b) \( \sum_0^{n-1} x_i \div (n-1) \)
c) \( \sum_1^{n-1} x_i \div (n-1) \)
d) \( \sum_{i=1}^n x_i \div n \)
b) \( \sum_0^{n-1} x_i \div (n-1) \)
c) \( \sum_1^{n-1} x_i \div (n-1) \)
d) \( \sum_{i=1}^n x_i \div n \)