Loren records how many days since the beginning of quarantine has passed for each day he counts. Test the hypothesis that days from the beginning of quarantine and spots counted are independent. H0 : days and spots are independent vs. Ha : days and spots are not independent. What is the formula of the test statistic? How do you calculate the expected number of observations in a given cell? What is the test statistics? How many degrees of freedom are there? What is the p-value of the test statistic? Do you reject H0?   Data: Days Since Quarantine Dots on the Wall 1 104202 2 104279 3 104264 4 104170 5 104117 6 104195 7 104248 8 104161 9 104220 10 104285 11 104268 12 104281 13 104208 14 104204 15 104270 16 104252 17 104221 18 104381 19 104282 20 104342 21 104253 22 104267 23 104326 24 104288 25 104186 26 104277 27 104199 28 104300 29 104220 30 104286 31 104319 32 104388 33 104367 34 104284 35 104424 36 104262 37 104338 38 104292 39 104356 40 104153 41 104248 42 104424 43 104209 44 104191 45 104343 46 104162 47 104311 48 104506 49 104440 50 104181 51 104074 52 104330 53 104664 54 104308 55 104165 56 104157 57 103711 58 104487 59 104374 60 104164 Back

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