200 people recorded the time they spent on social media one day. The table shows the results.
Work out an estimate
Time, t(mins) Frequency Midpoint 1
of the mean time.
38
Ost< 30
30 St<50
82
64
50 St<60
60 st<90
16
Total = 200
The empty boxes in the table can be
used to help you but no marks will be
given for any numbers placed in the boxes.
Total marks: 3

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )