Statistics Inferential Statistics

Statistics Inferential Statistics

7th Grade

20 Qs

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Statistics Inferential Statistics

Statistics Inferential Statistics

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

It is the branch of applied mathematics dealing with data collection, organization, analysis, interpretation and presentation.

Algebra

Trigonometry

Statistics

Geometry

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A scientific body of knowledge which deals with collection, presentation, interpretation and analysis of data.

Probability

Statistics

Sequence

Geometry

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A branch of Mathematics that deals with collecting, organizing, analyzing and interpreting?

Statistics

Statestics

Stetistics

Staticstics

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Choose the correct concept:

Is a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width.

The number of observations is marked with a single point at the midpoint of an interval.

Is an accurate representation of the distribution of numerical data. It is an estimate of the probability distribution of a continuous variable.

The graph is divided into sectors, where each sector shows the relative size of each value

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

_____________________ statistics consists of generalizing from samples to populations, performing estimations and hypothesis tests, determining relationships among variables, and making predictions.

mathematical

descriptive

inferential

population

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

A representative sample of 80 customers in a clothing store was surveyed about how they paid for their purchases. The table shows the responses. Based on the results, which of the following are valid inferences. Select two answer choices.

Tomorrow, 8 out of the first 80 customers will for sure pay with a gift card.

In a group of 40 customers, it is expected that about 10 will pay with cash.

About 30% of all the store's customers will pay with a credit card.

A sample of 100 customers would provide less reliable data.

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

A representative sample of 80 customers in a clothing store was surveyed about how they paid for their purchases. The table shows the responses. Based on the results, which of the following are valid inferences. Select all that apply.

Tomorrow, 8 out of the first 80 customers will for sure pay with a gift card.

In a group of 40 customers, it is expected that about 10 will pay with cash.

About 0.3, or 30%, of all the store's customers will pay with a credit card.

A sample of 100 customers would provide less reliable data.

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