Set of techniques and methods that serve to:

Organize, Analyze, Represent

Set of methods that serve to: Do generalizations and make objective decisions

It is the complete set of all the elements that will be studied

It is a subset of selected members

The following graph is what kind of graph?

The following graph is what kind of graph?

Statistics variables are clasified as:

Mode refers to:

Find the median: 2, 3, 3, 3, 4, 5, 6, 4, 2

Carlos has done the following stages by bike. 1st 30km, 2nd 32km, 3rd 34km, 4th 36km. What is the average distance Carlos travels with his bike?

Players of a basketball team measure: 190cm, 195cm, 200cm, 212cm and 220cm. What is the height range of the players?

After carefully observing the following data A, A, A, B, B, B, C, C, D, D, D, E, E it can be stated that:

A p-value of P=0.05 means

How many drivers were interviewed regarding their preferred vehicle?

Tell if the statement if Descriptive or Inferential

A recent survey of 2000 adults having an MBA reported that the average salary is more than $65,000 a year.

When testing with α=0.05 you get p=0.0000032. Your decision should be

The weight of the average 6th grade boy is 89 lbs. The principal of the school feeds them steak for first semester to see if their weight changes. What are the null and alternate hypotheses?

To determine whether the test statistic of ANOVA is statistically significant, it can be compared to a critical value. What two pieces of information are needed to determine the critical value?

Suppose you want to study the effect of sugar on memory for words. You have three groups in your experiment, sugar, a little sugar and no sugar. Each participant only participates in one condition of the experiment. The data collected from each group are as shown above.

Calculate the degree of freedom for the test.

What must you include when reporting an ANOVA? Select all that apply

A large sample F-ratio (F test statistic) is likely to lead us to ____ in an ANOVA test.

This is an example of...

This is an example of...

The degree to which an assessment accurately assesses the concept and/or skill we are attempting to measure.

What would be a good way to estimate the reliability of an assessment?

A research instrument can be reliable, but not valid. True or False?

Reliability is an optional criteria for determining the overall validity of a test or questionnaire.

Validity is a concept that... (choose the best answer)

To ensure results are reliable the experiment should be

A reliable experiment produces results which

Many colleges believe that the SAT has _______ with respect to how well a student will do in college.

_______suggests that subjects tend to obtain the same score when tested at different times.

Determing ______ requires a test developer to create two forms of the same test, giving both forms to students, and comparing the scores from the two forms.