tates that the average cost of a wedding in 2017 was $25764 . One concerned bride hopes that the average is less than reported. To see if she is correct she surveys 55 recently married couples and finds that the average cost of weddings in the sample is $23015. Assuming that the standard deviation is $7235 test at the 0.10 level of significance that the cost is less than $25764 7. A wedding website s