=+35. Groceries. The surveys discussed in Exercise 27 also asked about weekly household expenditures for groceries.

Here is a table with the results for the years 2008, 2009, and 2010:

Groceries 2008 Groceries 2009 Groceries 2010 Total

*$50/Wk 138 153 129 420

$51–100 336 327 345 1008

$101–150 226 270 248 744

$151–200 134 100 130 364

+$200 146 104 95 345 Total 980 954 947 2881 State and test an appropriate hypothesis about household expenditures for groceries in these three years.