5) An educational researcher wants to assess if the average IQ score of a sample of 40 students is significantly different from the population mean IQ of 100. The sample has a mean IQ of 105 and a standard deviation of 12. Perform a one-sample t-test and interpret the results.

Q: ecimal:

A: From triangle BDC , BD=18mm,∠DAB=45°,∠DCB=αBA=dAC=b

Q: 3- 0 2 3

A: Here no particular part is mention and more that three sub parts are given, we will solve first 3…

Q: Can I get some help with this please?

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Q: W 4. A cell phone company claims that the average time a person spends on their phone is 12.8 hours…

A: Let μ denote the population mean and x⎯⎯ denotes the sample mean. Then, μ=12.8 and x⎯⎯=12.2 Let n be…

Q: Integrate:

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Q: What Is the equation of the graph? Oy= - x O y= 4 x OY=4x

A: Clearly the line is passing through the origin.

Q: Thank you so much

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Q: e. lim f(1) f. lim f(r) 2 g. lim f(1)

A: e) -1+ is greater than -1, so we will take the second piece of the function

Q: THank you for the assistance, can you please give me step by step explanation and workings

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Q: can you help me please?

A: We have to find the side

Q: Thank you

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Q: Calculate the limit algebraically: x³ + 8 lim x→-2 x² + 7x + 10

A: Consider the given expression, If we substitute  in the expression we get  form. so, use L-hospital…

Q: Please help

A: Step 1:For a triathlete as well as it was loosely more expedient to aim for a balanced level of…

Q: 5 + 1 4. 4n

A: We’ll answer the 1st question since we answer only one question at a time. Please submit a new…