7BOBO-dHHHHHH-dH-h-* - -Zl`GxHH(FG(HH(d'@.x<4BDrawing-%3l@/-pF3Areadshee3T4 B-@-<inting- QCommunicationsdxev Statio' -cumeF.h9v - y-|!(}DSETnIG-P-X-T-.J-#8!?Z[:qr*+78  cdJWX!.?EKQdk          " + 4 <         -L-- NAME_____________________ DATE_________________ PERIOD___________ UNIT B: NAMING NUMBERS IN DIFFERENT WAYS LABORATORY ACTIVITY 3 RATING POPCORN INDIVIDUAL LAB REPORT One way to rate popcorn is to determine which brand ends up with the fewest unpopped kernels. FIND: The best and worst of three brands of popcorn. a. Count out 100 kernels (or some such reasonable number) of one of the brands of popcorn. Pop the 100 kernels. Brand of popcorn popped by your group:_________________________ b. When popping is complete, count the popped kernels. Count the unpopped kernels. Do they add to 100? Popped kernels:__________________ Unpopped kernels:__________________ Total of popped and unpopped kernels:__________________ c. What fraction of the popcorn is popped? What fraction of the popcorn is unpopped? Fraction of popped kernels:__________________ Fraction of unpopped kernels:__________________ d. What percent of the popcorn is popped? What percent of the popcorn is unpopped? Percent of popped kernels:__________________ Percent of unpopped kernels:__________________ e. Obtain the information for steps a. through d. collected by the other groups for the other two brands of popcorn. If time permits, repeat Steps a. through d. for the other two brands yourself, in order to rate the popcorn brands more fairly. f. Which brand of popcorn had the smallest percent of unpopped kernels? Which brand had the largest percent of unpopped kernels? Show how the three different brands of popcorn compare by plotting the percentages of popped kernels on a bar graph. Rating popcorn 100 90 80 Percent 70 of 60 unpopped 50 kernels 40 30 20 10 0____________________________________________ brand A brand B brand C Brand of Popcorn g. If more than one group within the class rated the same brand of popcorn, did the ratings of that brand agree between the different groups? Yes or No?___________ Is this a fair way to rate popcorn? Yes or No?___________ DSET|(H-H>"9 *6*>"9DSET|(H-D9>96*=9