9.2 (±0.4) × ([5.4(±0.3) × 10-³] + [5.6 (±0.1) × 10-³]) absolute uncertainty: .005 percent relative uncertainty: 5 * TOOLS Y10

Suppose X~N(186,19) and Z~N(0,1). If z = 1.24, what is it on an X scale? Express your answer to two decimal places (ex: 123.45).

A population of N=15 has a mean =8 one score in the population is changed from X=20 to X-5.What is the value for thr new population mean?

If age were held fixed, but a person put on 15 pounds, what would you expect for the corresponding change in systolic blood pressure? (Use 2 decimal places.)If a person kept the same weight but got 15 years older, what would you expect for the corresponding change in systolic blood pressure? (Use 2 decimal places.)(e) Test each coefficient to determine if it is zero or not zero. Use level of significance 5%. (Use 2 decimal places for t and 3 decimal places for the P-value.)   t P value β2     β3