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pishuonlain [190]
3 years ago
9

the cost of a meal might affect how customers evaluate and appreciate food. To investigate, researchers worked with an all Itali

an all you can eat buffet to perform an experiment. A total of 139 subjects were randomly assigned to pay either 4$. Or 8$ for the buffet and then asked to rate the quality of the pizza on a 9 point scale. Subjects who paid 8$ rated pizza 11% higher than this who paid only $4. Identify the explanatory and response variables, the experimental units, and the treatments.
Advanced Placement (AP)
1 answer:
lianna [129]3 years ago
4 0

Answer:

Label each customer with a different integer from 1 to 139.

Explanation:

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Rob wanted to know the mass of his luggage before he got on an airplane. He
aleksklad [387]

Answer:

A

Explanation:

  1. 20+3
  2. 2*10=20
  3. 3*1=3 so the mass is 23 kg

6 0
3 years ago
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Between 1950 and 1990, wheat production in India in average pounds per acre more than tripled, which allowed India to meet its p
Novay_Z [31]

Answer:

The use of improved plant hybrids and agricultural chemicals

Explanation:

According to history, India witnesses a huge surge in the the amount of wheat produced in the country between 1950 - 1990 ; This surge in production has made wheat the main cereal crop in the country with about 30 million of hectares of land being used to cultivate the cereal crop as of today. The huge surge over the 40 year period whereby production more than doubled could be attributed to the advancement and upgrade in the crop type and agricultural chemicals being adopted. These hybrid crops germinated faster and produced good yield which boasted more production and drove revenue to better height.

8 0
3 years ago
What is the answer for the answer (complete the square) 3x^2-12x-9
Vadim26 [7]

Answer:

may be this is helpful!

4 0
3 years ago
Can you help with #1?
TEA [102]
U should try multiplying some numbers in the question there's a key in there
5 0
3 years ago
Which of the following is the BEST reason to use cash for making purchases?
Ymorist [56]
Answer:
A. Knowing what you have spent your money on is simple.

Explanation:

Although each answer may be deemed true in a way, it is important to realize the differences between cash and a credit card. Psychologically, if you’re purchasing items with cash you tend to spend less because you are budgeting yourself to a certain amount. Always counting the change after. If you pay with a credit card you may spend more unconsciously, making it a lot easier to lose track how much you’ve spent, and bought.
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3 years ago
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