According to IDC, Apple's share of the smartphone market was 40.4 during a recent quarter. A random sample of 90 smartphone users was selected. The standard error of the proportion is ________.
A) 0.0160
B) 0.0337
C) 0.0517
D) 0.1034
Question 2
The test statistic for the Kruskal-Wallis test follows the Student's t-distribution with degrees of freedom.
Indicate whether the statement is true or false