How quickly will I receive my key after purchase?

Most keys are delivered instantly by sellers after payment confirmation. You will receive the key by email or directly on the website.

Can I return or exchange a key if it doesn’t work?

Usually yes, key sellers provide a guarantee on all keys. In case of activation issues, contact the seller’s chat for assistance.

Are keys supported for different platforms — Steam, Xbox, PlayStation, and others?

Yes, on Irongamers you will find keys and accounts for most popular platforms, including Steam, EA Play, Uplay, Xbox, Twitch, and Epic Games.

Can I get discounts and bonuses for referrals?

Usually yes, sellers can give personal discounts on new games and keys.

What payment methods are available?

We support various payment methods: bank cards, e-wallets, SBP, and other convenient options.

How is security and confidentiality ensured when buying?

The purchasing process takes place on a special page that uses modern data protection methods, encryption, and guarantees full confidentiality of your payment and personal data.

Final standings RFEI Econometrics 10 questions.

5 (3 reviews)

Content: text (209 symbols)
Uploaded: 14.11.2010

Positive responses: 3
Negative responses: 0

Sold: 11
Refunds: 0

Seller: kelena2012

Ask a question

Description

Final standings RFEI "Econometrics".
Answers to the 10 questions.
Here are the first three questions for verification:
1.Po seven in the Urals
Federal District in 2006 the values \u200b\u200bof
two traits (Table. 1) ...
....
What kind is given by the equation of linear regression,
characterizing the dependence of expenditure on the purchase
of food in total expenditure?
a) yh = 76.88 -0,35h;
b) yx = 47.68 -0,87h;
c) yx = 83.52 -0,71h.
2.Chem is the linear coefficient of steam
correlation based on the conditions of the problem 1?
a) rxy = -0,473;
b) rxy = -0,353;
in) rxy = -0,582.
3. What is the value of the average error
approximation, based on the conditions of the problem 1?
a) A = 8.1%;
b) A = 12.2%;
c) A = 7.8%. etc .........

Additional information

Dear customer! At me to you a small business proposal: to leave positive feedback you receive as a gift ANY final exam or a test !!!
To do this immediately after the purchase email me what you bought, what method paid (pointing out your details - WMID or if the goods are paid for by SMS, the first 7 digits of the phone number in international format, from which the payment was made) and that it You want to get a gift - I will send it on Your email during the day.

Loyalty discount! If the total amount of your purchases from the seller more than:

$10	the discount is	3%
$20	the discount is	5%
$30	the discount is	8%
$50	the discount is	10%

Final standings RFEI Econometrics 10 questions.

Description

Additional information

Reviews