Answer:
Minimum : 1
Q1 : 8
median or Q2 : 13
Q3 : 20
Maximum : 23
Step-by-step explanation:
Q1 = lower quartile
Q2 = median
Q3 = upper quartile
1 5 8 10 11 12 14 17 19 20 22 23
median or Q2 = 12 + 14 = 26 divided 2 = 13
median = 13
Q1 = 8
Q3 = 20
minimum ( least number) = 1
Maximum ( Greater number ) = 23