Consider the following weights (in kg) for a sample of twenty-two guinea pigs: 0.95 0.98 1.14 1.11 1.04 1.03 1.02 1.00 0.95 0.98 0.99 1.06 1.03 1.08 1.01 1.03 1.03 1.18 1.24 0.97 1.00 1.04. Here is a stem-leaf plot of the sample data.

0.9 | 557889

1.0 | 0012333344

1.0 | 68

1.1 | 14

1.1 | 8

1.2 | 4

1) The sample median weight is

1.03 kg

1.025 kg

1.30 kg

1.04 kg

1.02 kg

2) The sample first quartile is

0.99 kg

1.00 kg

1.01 kg

0.98 kg

1.02 kg

3)The inter-quartile range is

0.07 kg

0.06 kg

0.05 kg

0.08 kg

0.09 kg