Stock prices: Following are the closing pricesof a particular stock for each trading day in May and June of arecent year.
| | May | | | |
884.74 | 900.68 | 900.62 | 886.25 | 820.43 | 875.04 |
877.00 | 871.98 | 879.81 | 890.22 | 879.73 | 864.64 |
859.70 | 859.10 | 867.63 | 880.37 | 877.07 | 873.65 |
866.20 | 869.79 | 829.61 | | | |
| | June | | | |
906.97 | 908.53 | 909.18 | 903.87 | 915.89 | 887.10 |
877.53 | 880.23 | 871.48 | 873.63 | 857.23 | 861.55 |
845.72 | 871.22 | 870.76 | 868.31 | 881.27 | 873.32 |
882.79 | | | | | |
(a) Find the mean and median price in May. Round the answers toat least two decimal places.
(b) Find the mean and median price in June. Round the answers to atleast two decimal places.
(c) Does there appear to be a substantial difference in pricebetween May and June, or are the prices about the same?
