Hi there. Please help me calculate the food-specific attack rate for this data. When I calculated it, I used all of the data. In other words, as though it were for a five-day interval. But I don't think that's right...

TABLE 3: Food Consumption from Buffet Aboard Warped Imagination
	afflicted passengers and crew	non-afflicted passengers and crew
foods eaten	day 1	day 2	day 3	day 4	day 5	day 1	day 2	day 3	day 4	day 5
bacon	43	37	34	10	0	3000	2763	2879	2556	2865
sausage	24	12	0	12	0	1287	1534	1302	698	779
fried ham	12	17	12	7	0	615	863	827	793	654
pancakes	28	63	27	24	0	1377	3312	1743	1752	1297
French toast	34	12	26	18	0	2300	1389	1476	1576	1681
scrambled eggs	47	43	39	37	0	2548	2334	2089	2192	2212
cold cereal	15	15	12	10	0	800	778	731	803	768
skim milk	66	66	66	57	0	3478	3478	3478	3478	3478
whole milk	3	3	3	0	0	175	175	175	175	175
coffee	70	70	69	59	0	3497	3512	3612	3597	3581
hot tea	40	40	41	47	70	2069	2109	2211	2075	2075
iced tea	40	40	41	47	70	2081	1056	2112	2333	2100
fountain drink	49	53	54	63	61	2217	2749	2757	2566	2239
ice	70	70	70	70	70	3630	3618	3624	3630	3630
oatmeal	1	2	1	1	0	122	103	99	76	61
watermelon	60	60	60	50	0	968	763	428	534	677
pineapple	45	45	40	30	0	2413	2425	2451	2312	2433
cantaloupe	47	47	45	35	0	1287	1286	1290	1301	1287
grapefruit	12	15	15	11	0	778	779	783	775	715
passion fruit	30	35	45	43	0	1563	1823	2345	2330	2312
kiwi	30	35	35	35	0	1547	1837	1832	1815	1821
papaya	46	47	44	39	0	2401	2412	2397	2076	2073
banana	50	53	59	49	70	2593	2852	3112	3018	2987
apple juice	55	54	49	47	6	2853	2853	2597	2540	2543
grapefruit juice	0	0	0	0	0	1238	1227	1199	1328	1213
hamburger	70	70	70	59	0	2567	2312	2214	2237	2412
fried chicken	23	14	12	30	0	1296	769	756	1612	987
prime rib	70	69	58	43	0	3630	3627	3200	2300	2413
Hawaiian ham	59	53	36	38	0	3085	2714	1869	2078	2217
green beans	68	60	60	53	0	3530	3121	3108	3123	3119
carrots	63	60	38	41	0	3269	3114	1999	2133	2210
creamed corn	35	38	34	31	0	1036	667	623	519	543
broccoli	33	45	27	28	0	1813	2334	1554	1563	1567
tossed salad	41	63	40	32	0	2232	3278	3206	2111	2328
white rice	53	48*	43	70	0	2750	2599	2319	2526	2417
mashed potatoes	69	67	65	54	0	3602	3526	3418	3515	3591
boiled potatoes	52	50	54	36	0	2704	2594	2852	2598	2419
potato salad	43	37	40	13	0	2333	2071	2075	2140	2167
cole slaw	34	33	33	12	0	1728	1823	1873	1856	1917
tomato slices	70	70	69	59	0	3387	1292	1721	1312	1097
asparagus	33	12	25	0	0	1847	1783	1299	1717	787
yogurt	40	12	18	0	0	2047	1555	1113	1719	1982
leaf lettuce	15	33	39	26	0	863	1888	2077	1350	1613
cheddar cheese	25	25	27	23	0	3312	1543	1397	1192	2109
white bread	35	35	35	35	70	1763	1918	2019	1815	1772
apple sauce	13	17	14	11	70	694	893	771	663	894
ice cream	20	23	24	21	0	1067	1284	1281	1093	1123
apple pie	56	53	49	48	0	2988	2748	2587	2554	2548
chocolate cake	66	67	56	43	0	3423	3478	3005	3397	3414
cheese cake	61	60	58	48	0	3400	3200	3010	3111	3093
	* indicates food consumed by a sickened crewmember