7 Farmers have discovered that the more domestic chickens peck at objects placed in their environment the healthier and more

Question

7 Farmers have discovered that the more domestic chickens peck at objects placed in their environment the healthier and more productive the chickens seem to be White string has been found to be a particularly attractive pecking stimulus In one experiment 72 chickens were exposed to a string stimulus Instead of white string blue colored string was used The number of pecks each chicken took at the blue string over a specified time interval was recorded Summary statistics for the 72 chickens were 1 13 pecks s 2 21 pecks Applied Animal Behavior Science October 2000 a Estimate the population mean number of pecks made by chickens pecking at blue string using a 99 confidence interval b Previous research has shown that u 7 5 pecks if chickens are exposed to white string Based on the results part a is there evidence that chickens are more apt to peck at white string than blue string

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