Claims. An accountant is checking the amount of general medication and dental claims (in dollars) made by the employees in her company. She randomly selects 10 claims for both the categories from the previous month, with results shown in the following table:

a) Find a 95% confidence interval for the mean general medical claim. Be sure to check the appropriate assumptions and conditions and explain what your interval means.

b) Find a 95% confidence interval for the mean dental claim being more than the general medical claim. Be sure to check the appropriate assumptions and conditions and explain what your interval means.

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Claims ($) General Dental 148 345 203 287 72 203 117 106 95 253 136 249 154 134 166 217 136 229 183 185