The price per box of "Frosted Toasty Bites" cereal throughout the US is believed to be a normal random variable with mean $4.69 (USD). A random sample of 15 US grocery stores showed a sample mean price of $3.87 and a sample standard deviation of $1.45. Is there evidence that the true mean price of Frosted Toasty Bites in the US is less than $4.69? Test the relevant hypotheses at 0.100.10 level of significance. Which of the following gives your test statistic, critical value, and conclusion