TABLE 18-8 Recently, a University Switched to a New-Referring to Table 18-8, an R Chart Is to Be

The Answer of TABLE 18-8 Recently, a University Switched to a New-Referring to Table 18-8, an R Chart Is to Be

TABLE 18-8 Recently, a University Switched to a New-Referring to Table 18-8, an R Chart Is to Be

The Answer of TABLE 18-8 Recently, a University Switched to a New-Referring to Table 18-8, an R Chart Is to Be

Solved

TABLE 18-8
Recently, a University Switched to a New

question 38

Short Answer

TABLE 18-8
Recently, a university switched to a new type of computer-based registration. The registrar is concerned with the amount of time students are spending on the computer registering under the new system. She decides to randomly select 8 students on each of the 12 days of the registration and determine the time each spends on the computer registering. The range, mean, and standard deviation of the times required to register are in the table that follows.
$\begin{array} { c c l l } \text { Day } & \text { Range } & \text { Mean } & \text { Std.Dev. } \\1 & 10 & 5.250 & 3.4949 \\2 & 31 & 15.250 & 10.3060 \\3 & 13 & 20.375 & 4.9262 \\4 & 21 & 22.875 & 8.3911 \\5 & 35 & 8.500 & 11.3767 \\6 & 18 & 7.875 & 6.9372 \\7 & 25 & 11.250 & 8.5815 \\8 & 30 & 7.875 & 9.5235 \\9 & 17 & 10.250 & 6.3640 \\10 & 22 & 9.500 & 7.8740 \\11 & 27 & 7.875 & 8.7086 \\12 & 26 & 12.875 & 9.3723\end{array}$
-Referring to Table 18-8, an R chart is to be constructed for the time required to register. The center line of this R chart is located at _____.

Describe the main functions and features of adolescent friendships and romantic relationships.

Comprehend the impact of puberty and brain development on adolescent emotional states and behaviors.

Analyze the role of peer groups in adolescent development, including both positive and negative influences.

Understand methods and research designs used to study adolescents' emotions and social interactions.

Definitions:

Interest Rate

The percentage charged by a lender to a borrower for the use of assets, typically expressed as an annual percentage of the principal.

Invest Today

The act of allocating resources, usually money, in the present with the expectation of receiving future returns or benefits.

Present Value

The value today of a future sum of money or cash flow sequence, discounted at a particular rate of return.

Equal Amount

A term indicating that two or more quantities are the same in value or measure.