Question

Define Each and provide an example.

-1 Nominal scale measurement of variable

-2 Sample selection bias

-3 Likert Scale

-4 Quota Sample

Answer 1

Answer :

1. Nominal scale measurement of variable

• Level of estimation or size of measurment in an arrangement that portrays or nature the idea of data inside the qualities appointed to factors.
• Therapist Stanley Smith Stevens built up the best-known arrangement with four levels, or scales, of estimation: ostensible, ordinal, interim, and proportion.   

Nominal VariablesExamples as followes

• Eye color (Blue, Green, Brown, Hazel).
• Type of pet (Dog, Cat, Rodent, Fish, Bird).

2.Sample selection bias :

• Sample selection bias is a type of bias caused by choosing non-random data for statistical analysis.
• The inclination exists because of an imperfection in the example choice process, where a subset of the information is methodicallly avoided because of a specific quality.
• The prohibition of the subset can impact the measurable essentialness or  influence the statistical significance of the test, or  produce distorted results.

3.Likert Scale :

• Five to seven things are typically utilized in the scale. The scale doesn't need to state "concur" or "deviate" (or) “agree” or “disagree” ; many varieties are conceivable on topics like understanding, frequency, quality and importance.

For examples

• Agreement: Strongly agree to strongly disagree.
• Frequency: Often to never.

4.Quota Sample :

• Standard testing is an examining strategy wherein information is gathered from a homogeneous gathering.
• It includes a two-advance process where two factors can be utilized to channel data from the populace. It can without much of a stretch be directed and helps in speedy correlation.

_{examples as followes}

• Underway portions, n administration or a gathering of makers, confine the supply of a specific item with the end goal to keep up a specific value level.