Hello I would appreciate some help with these! THANK YOU!

Consider the following sample data for the relationship between advertising budget and sales for Product A:

Observation 1 2 3 4 5 6 7 8 9 10

Advertising ($)40,000 40,000 50,000 60,000 60,000 60,000 70,000 80,000 80,000 90,000

Sales ($)239,000 248,000 316,000 365,000 358,000 375,000 432,000 476,000 486,000 552,000

**What is the slope of the "least-squares" best-fit regression line?**

Please round your answer to the nearest hundredth.

Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.

2 Consider the following sample data for the relationship between advertising budget and sales for Product A:

Observation 1 2 3 4 5 6 7 8 9 10

Advertising ($)30,000 30,000 40,000 50,000 50,000 50,000 60,000 70,000 80,000 80,000

Sales ($)179,000 183,000 253,000 308,000 301,000 308,000 376,000 418,000 486,000 499,000

**What is the predicted sales quantity for an advertising budget of $57,000?**

Please round your answer to the nearest integer.

Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.

3 Consider the following sample data for the relationship between advertising budget and sales for Product A:

Observation 1 2 3 4 5 6 7 8 9 10

Advertising ($)70,000 80,000 80,000 90,000 100,000 100,000 110,000 110,000 120,000 130,000

Sales ($)432,000 478,000 484,000 552,000 605,000 594,000 688,000 674,000 713,000 784,000

**What is the R**^{2}** coefficient of determination value for the relationship between advertising and sales?**

Please round your answer to the nearest hundredth.

Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.

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