STAT 507 Lecture 8: Sept 27

It is 3:00 pm here, and australia is 13 hours ahead of us. what time is it in australia?*

2. Let A= 3 S 03 [it] BE where s and t are real numbers. [ 0 -2] Which one of the following statements is true ? (A) A is diagonalizable for all s, and B is diagonalizable only if t = 0. (B) A is diagonalizable if s= 0, and B is not diagonalizable if t +0. (C) A is not diagonalizable if s 70, and B is diagonalizable for all t. (D) A and B are both diagonalizable for all s and all t. (E) A and B are diagonalizable only if s= 0 and t = 0.

The data represent the number of customers waiting for a table at 7 pm for 40 consecutive Saturdays.

9,9,8,9,4,9,11,6,

13,10,6,8,4,7,5,10,

10,11,8,3,6,7,6,10,

13,11,12,6,10,7,9,10,

9,9,8,9,4,9,11,6.

Fill this table for absolute and relative frequencies.