Exam 1: Introduction and Mathematical Preliminaries

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

A given probability must always range from:

(Multiple Choice)
4.9/5
(39)

A _____ is the aggregate of all cases to which one wishes to generalize statements.

(Multiple Choice)
4.8/5
(38)

Most doctors believe or suggest that Ritalin helps memory which would be considered their ____________________.

(Short Answer)
4.7/5
(32)

If c is a constant having a value of five,then S(X - c)2 for the scores 4,6,and 10 would be ____.

(Multiple Choice)
4.9/5
(42)

Nominal measurement involves using numbers merely as labels.

(True/False)
4.9/5
(37)

The true population that may be infinite is considered a _____ variable.

(Multiple Choice)
4.8/5
(43)

Measurement involves translating empirical relationships between objects into numerical relationships.

(True/False)
4.9/5
(22)

On the basis of observing the _____,the researcher makes generalizations to the _____.

(Multiple Choice)
4.8/5
(35)

Scales of measurements used in Behavioral research includes all of the following except_____.

(Multiple Choice)
4.8/5
(36)

Dr.Johnson hypothesizes that NutraSweet reduces short-term memory.In order to test her hypothesis she gives 10 subjects a beverage containing NutraSweet (treatment group)and 10 subjects a beverage without NutraSweet (control group).She then measures the subject's ability to recall a list of numbers.In this study the independent variable is _______and the dependent variable is______.

(Multiple Choice)
4.8/5
(30)

The essential characteristic of random sampling is that every member of the population:

(Multiple Choice)
4.9/5
(38)

_____ statistics are used to summarize a group of scores from a sample or a population,while _____ statistics are used to make statements about a population based on sample data.

(Multiple Choice)
4.9/5
(34)

A statement proposing that something is true about a given phenomenon is called a _____.

(Multiple Choice)
4.7/5
(30)

When the Professor tells the class the mean on the exam.She/he is using _____.

(Multiple Choice)
4.9/5
(35)

A biased sample is one that will lead us to make erroneous statements about the population.

(True/False)
4.9/5
(36)

Round off the following numbers to two decimal places (nearest hundredth). a.144.135 b.67.245 c.99.727 d.13.345 e.7.3451 f.5.9817 g.5.997

(Short Answer)
4.9/5
(34)

The number of hours a person sleeps in a 24 hour periods is considered a ____________________variable.

(Short Answer)
4.7/5
(36)

ÓX tells us to add up,or sum,all of the individual X scores.

(True/False)
4.8/5
(38)

A sample is simply a(n):

(Multiple Choice)
4.8/5
(26)

Use the following data to answer SY2 =_____ Use the following data to answer SY<sup>2 </sup>=_____

(Multiple Choice)
4.7/5
(28)
Showing 81 - 100 of 146
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)