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In statistics, what is the benefit of taking a sample survey rather than a census?

Taking a sample survey is quicker, cheaper and easier to carry out than a census.

Answered by Emma G. • Further Mathematics tutor

4284 Views

What is the difference between a co-ordinating clause and a subordinating clause?

A co-ordinate clause has equal importance to a main clause. For example, in "I ate a sandwich and Johnny ate pasta", the co-ordinating clause "Johnny ate a pasta" would make sense on i...

Answered by Charlie M. • English Language tutor

5462 Views

According to Tulving, what are the three types of long-term memory?

Tulving stated the three divisions of long-term memory (LTM) are episodic, semantic and procedural. Episodic = memories of events, including the locations and people involved. These are recalled conscious...

Answered by Anya M. • Psychology tutor

51193 Views

Solve to find sin x , 4cos^2 + 7sin x -7 =0

4cos² x + 7 sinx - 7 =0 we know that sin²+ cos² = 1 so 4(1-sin²x) + 7sinx -7 = 0 if we times out the brackets -4sin²x + 7 sinx -3 =0 4sin²

Answered by Jo P. • Maths tutor

3798 Views

How to structure a discursive essay?

A discursive essay, like most essays, should begin with an introduction and end with a conclusion. You can either talk about a topic neutrally, showing both the pros and cons, or you can argue for or agai...

Answered by Larissa D. • English Literature tutor

29515 Views