1. A participant in a research study is given 50 words to remember and later asked to recall as many as he can of those 50 words. This participant recalls 17.

What is the:

a. variable,

b. possible values, and

c. score?

2. Provide an example of

a. a nominal,

b. rank-order, and

c. equal-interval variable. Be sure to list the variables and note how they are measured (i.e., the categories for the variables).

3. A researcher finds that the range of scores for age at first marriage is from 17 to 56 years. The distribution is unimodal and positively skewed. Explain what means to someone who has never taken a course in statistics. Be sure to refer to the actual data.

4. Here are the number of holiday gifts purchased by 25 families randomly interviewed at a local mall at the end of the holiday season:

22, 18, 22, 26, 19, 14, 23, 27, 2, 18, 28, 28, 11, 16, 34, 28, 13, 21, 32, 17, 6, 29, 23, 22, 19

Make

a. a frequency table and

b. a grouped frequency table with 7 intervals and an interval width of 5.

Draw out what this would look like as a histogram and

c. describe the shape of the distribution.

The group of automorphisms of g : Let G be a group. The set Aut(G) = {P : G --> G | P is an isomorphism} is called the group of automorphisms of G. Aut(G) is a group with the operation of composition. Prove that Aut(Z2 x Z2) is isomorphic to S3. (See actual question in attache.. |

Simultaneous linear equations for the concentrations : What is being asked? Using the values of the effective molar absorptivities you determined from your slopes and the values of the absorption you obtained for the mixture at the spectral maxima of 434 nm and 618 nm |

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The only way to stop the audible alarm is to input : If a further incorrect code is entered, the alarm remains on, the outside light flashes, and a message is sent to the police station. Entering the correct code at any time that the audible alarm is on will de-activate the alarm. |

Describe the shape of the distribution : Draw out what this would look like as a histogram and describe the shape of the distribution - what would look like as a histogram |

What is the student error : Joe believes that the relation {(2,1),(3,-2),(4,5),(5,-2)} is not a function because two values in the domain have the same range value. What is the student's error? |

Paid-in capital in excess of par-common stock : If net income is $115,000 and interest expense is $30,000 for 2012, what is the rate earned on stockholders'' equity for 2012 (round percent to one decimal point)? |

Find electronics workbench helpful in doing this portion : Design a circuit which provides 20 dB of gain. The 3dB filter points should be 50 HZ and 50 KHZ. Use a bipolar power supply (+/- 9V). Your circuit should be able to provide a minimum of 5 Watts of output power. |

The fear of which faulkner speaks : what events not long before 1950 gave rise to the fear of which Faulkner speaks? |

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