A manufacturer of a pasta sauce claims that there 471mg of sodium in a half-cup (125mL) of the sauce. To test this claim, a random sample 23 jars of pasta sauce are analyzed and a mean of 498.78mg of sodium is found with a standard deviation of 46.94mg. Assume the amount of sodium follows a normal distribution.
-How much evidence do we have that the manufacturer's claim is false?
A)No evidence
B)Some evidence
C)Strong evidence
D)Very strong evidence
E)Extremely strong evidence

Question

Quizplus · Accepted Answer

The sample mean is significantly higher than the claimed mean, and given the sample size and standard deviation, a hypothesis test would likely show a statistically significant difference, indicating very strong evidence against the manufacturer's claim.

A Manufacturer of a Pasta Sauce Claims That There 471mg