According to the national Association of home builders the average cost of building a home in the NorthEast Is $117.91 per square foot a random sample of 36 new homes indicated that the main cost was...

According to the national Association of home builders the average cost of building a home in the NorthEast Is $117.91 per square foot a random sample of 36 new homes indicated that the main cost was $122.57 in the standard deviation was $20 can be concluded that the main cost for from $117.91 using the 0.10 level of significance