First, list the given data:
1219, 1214, 1087, 1200, 1419, 1121, 1325, 1345, 1244, 1258, 1356, 1132, 1191, 1270, 1295, 1135
Calculate the sample size (n):
n = 16
Calculate the sample mean ($\bar{x}$):
$\bar{x} = (1219 + 1214 + 1087 + 1200 + 1419 + 1121 + 1325 +
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