1. Railways Bl. Housing Values "' In the 1800s, an extensive system of railroads connected towns in New England but as automobile use spread most of the train tracks were disassembled. In recent years, many cities have converted the unused railroad beds into "rail trails\" for citizens to use for walking and biking. In one such town, researchers collected information on 104 homes and classified them as either "Closer\" or \"Farther Away\" from the rail trail and then calculated the percentage change in estimated sale price for each home between the years 1998 and 2014. | Closer Farther Away Mean 48.0 38.6 Sample size 40 54 a. Conduct a hypothesis test to determine if the mean percent change in estimated sale price is different for the "Closer\" and "FartherAway" groups of homes. H0; vs Ha: Observed test statistic: p-value: and est. effect size: b. In order for this test to be valid, certain conditions must be met. which of the following is not one ofthese conditions? Select athe incorrect statements. The observed 104 observations must be normally distributed. The two samples must be drawn separately from two independent, approximately normal populations. The standard deviations of the two populations must be approximately equal. We must be able to expect at least 10 successes and 10 failures in each sample