Determine the iqr for the data represented by the stem plot. type a numerical answer in the space provided. do not
type spaces in your answer.
116
21 2 4 8 9
31 0 1 1 2 3 4 5 6 7 8
41 1 5 8
51 0 1 8

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?