(c)The students are going to use the sample means to estimate the mean score for the school. Select all the true statements below. A single sample mean will tend to be a worse estimate than the mean of the sample means. The mean of the sample means will tend to be a worse estimate than a single sample mean. The closer the range of the sample means is to , the less confident they can be in their estimate. The farther the range of the sample means is from , the less confident they can be in their estimate