K L XE 1. IQ Scores Listed below are the IQ scores of randomly selected statistics professors. What value is obtained when those IQ scores are added and the total is divided by the number of scores?...

Extracted text: K L XE 1. IQ Scores Listed below are the IQ scores of randomly selected statistics professors. What value is obtained when those IQ scores are added and the total is divided by the number of scores? (This result, called the mean, is discussed in Chapter 3.) What is notable about these values? 135 149 145 129 118 119 115 133 107 188 127 131 2. Streak of Boys Jay and Kateri Schwandt had 13 children–all boys! The probability that 13 randomly selected children are all boys is found by evaluating 0.5'. Find that value and round the result to six decimal places. XE 3. LeBron James LeBron James, one of the best professional basketball players ever, has a height of 203 cm. The expression below converts his height of 203 cm (or 6' 8") to a standardized score. Find this value and round the result to two decimal places. Such standardized scores are considered to be significantly high if they are greater than 2 or 3. Is the result significantly high? 203 – 176