Answer
See the picture.
Work Step by Step
The cumulative frequency for "1" is $5$
The cumulative frequency for "2" is $5+7=12$
The cumulative frequency for "3" is $5+7+12=24$
The cumulative frequency for "4" is $5+7+12+6=30$
The cumulative frequency for "5" is $5+7+12+6+8=38$
The cumulative frequency for "6" is $5+7+12+6+8+5=43$
The cumulative frequency for "7" is $5+7+12+6+8+5+2=45$
The cumulative frequency for "8" is $5+7+12+6+8+5+2+4=49$
The cumulative frequency for "9" is $5+7+12+6+8+5+2+4+1=50$
