Six samples of each of four types of cereal grain grownin a certain region were analyzed to determine thiamincontent, resulting in the following data (mg/g):Wheat 5.2 4.5 6.0 6.1 6.7 5.8Barley 6.5 8.0 6.1 7.5 5.9 5.6Maize 5.8 4.7 6.4 4.9 6.0 5.2Oats 8.3 6.1 7.8 7.0 5.5 7.2Does this data suggest that at least two of the grains differwith respect to true average thiamin content? Use alevel a 5 .05 test.

----- Lecture 10/30/2017 ----- → Chapter 6 ← Section 6.1 Point Estimate An estimate of a population parameter given by a single number is called a Point Estimate for that parameter. A point estimate of a population parameter is an estimate of the parameter using a single number. - o x-bar (x) is the point estimate of the true mean μ . o p is the point estimate of true proportion p. The Margin of Error is the magnitude of the difference between the sample point estimate and the true proportion parameter value. Estimating Population Mean, μ : ��known. We have a simple random sample of size n draw from a population. The population