Focus
Planner
News
Login
Get Started

Inferential Statistics (Quiz#15)

inferential-statitics-quiz-15

Exit

Question 1 of 1

Time Left

0

585765

0

60

block

Consider two estimators, A and B, of θ = 2. E(A) = 0 and V(A) = 0.5 E(B) = 2 and V(B) = 1 Then, A is unbiased and B is biased

Select the correct answer(s).

(0/0)

Explanation

Bias = Expected value - true value

0

1

585766

0

30

none

Consider two estimators, A and B, of θ = 2. E(A) = 0 and V(A) = 0.5 E(B) = 2 and V(B) = 1 A is more precise than B

Select the correct answer(s).

(0/0)

0

1

585767

0

60

none

Consider two estimators, A and B, of θ = 2. E(A) = 0 and V(A) = 0.5 E(B) = 2 and V(B) = 1 The MSE of B is equal to 1

Select the correct answer(s).

(0/0)

Explanation

MSE = bias^2 + variance

0

1

585768

0

60

none

Descriptive measures used to describe a population of interest are called

Fill in the blanks

(0/0)

0

1

585769

0

60

none

_____ are descriptive measures computed from a sample.

Fill in the blanks

(0/0)

0

1

585770

0

120

none

Fill in respectively

Fill in the blanks

(0/0)

0

1

2

Results

Correct

0 Incorrect

0 Skipped

0 Overall Percentage

0%

Saving quiz

Save Score

Rate Quiz

Save Rating

Exit

Correct Answer

You've answered correctly.

Answer Incorrect

You've answered incorrectly.

Out Of Time

You've ran out of time.

Save

To save scores or ratings you'll need to login or register.

Sign In

Register

Audio Settings

Language

Set the correct audio language for your text.

Danish Dutch English French German Icelandic Italian Japanese Korean Norwegian Polish Portuguese Romanian Russian Spanish Swedish Turkish Welsh

Highlighting

Improve your learning by highlighting words as they are spoken.

Word-By-Word Highlighting

Listen To Audio

You can play quizzes, courses and flashcards without needing to login. However to save scores and to make quizzes, courses and flashcards you'll need to be logged in. To play audio you'll need to be logged into a Professional Account.

Register Login

Listen To Audio

Take your learning to the next level. Upgrade to a Professional Account to hear your questions read aloud as well as enjoying many other benefits.

Audio is generated for any question or answer you create.

Many people learn better when they listen to what they're learning. For learning a foreign language we supported over 18 different languages.

Supported languages include Danish, Dutch, English, French, German, Icelandic, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Spanish, Swedish, Turkish and Welsh.

We also support automatic word-by-word highlighting as words are read aloud.

Find Out More