A poll asked $870$ adults how many books they read last year. The results were:

Find the mean, median, and mode of the data, if possible. If any measure cannot be found or does not represent the center of the data, explain why.

Mean: "$3\text{–}9$ books" group

Median: "$3\text{–}9$ books" group

Mode: "$3\text{–}9$ books" group

Mean: cannot be found (data is grouped)

Median: cannot be found (data is grouped)

Mode: "$3\text{–}9$ books" group

Mean: cannot be found (data is grouped)

Median: "$3\text{–}9$ books" group

Mode: "did not read any books" group

Mean: cannot be found (data is grouped)

Median: "$3\text{–}9$ books" group

Mode: "$3\text{–}9$ books" group