​Claim: The standard deviation of pulse rates of adult males is less than 12 bpm. For a random sample of 169 adult​ males, the pulse rates have a standard deviation of 11.3 bpm. Find the value of the test statistic. The value of the test statistic is?

The table shows the scores of 20 people who took a paramedics licensing test. Find the mean and standard deviation for these data. The mean of the data is The standard deviation is approximately Round to three decimal places as needed.) Score Frequency 7 1 3 6 2 1 (.... NKR888 74 75 79 86 98 0

A distribution of values is normal with a mean of 38.3 and a standard deviation of 84.2.Find P98, which is the score separating the bottom 98% from the top 2%.P98 =

According to a recent​ publication, the mean price of new mobile homes is $63, 600. Assume a standard deviation of $7300. Let x denote the mean price of a sample of new mobile homes.   a. For samples of 100 mobile homes, the mean and standard deviation of all possible sample mean prices are $_________ and ​$__________​, respectively. ​(Round to the nearest cent as​ needed.) b. For samples of 200 mobile homes, the mean and standard deviation of all possible sample mean prices are ​$________and ​$_________​, respectively. ​(Round to the nearest cent as​ needed.)