1. 60 households in the Highlands neighbourhood of Edmonton were randomly sampled, 30 with garages and 30 without. Here are the summary results of assessed values of the houses.

Garage	Sample size	Sample mean	Sample standard deviation
No	30	$227666.70	$164696.80
Yes	30	$437450.00	$118107.50

1. Test if the mean assessed value is lower among the houses without garages. Perform a full 6 step hypothesis testing procedure, including stating and discussing assumptions. Use the 5% significance level.Let