A company collected data on its sales revenue and advertising expenditures for its first eight years in business with the results shown. (Units are in millions of dollars). What is the t-value used to...

A company collected data on its sales revenue and advertising expenditures for its first eight years in<br>business with the results shown. (Units are in millions of dollars). What is the t-value used to<br>compute a 95% confidence interval for the mean response of sales, Y. for a given value of x,<br>advertising expenditures?<br>advertising (z)<br>1.4<br>1.6<br>1.6<br>2.0<br>2.0<br>2.2<br>2.4<br>2.6<br>sales (y)<br>180<br>184<br>190<br>220<br>186<br>215<br>205<br>240<br>I= 1.975<br>= 202.5<br>SS. = 1.235 SSy<br>= 51.9 SSyy<br>= 3152<br>O 1.860<br>O 2.447<br>O 1.943<br>O 2.306<br>

Extracted text: A company collected data on its sales revenue and advertising expenditures for its first eight years in business with the results shown. (Units are in millions of dollars). What is the t-value used to compute a 95% confidence interval for the mean response of sales, Y. for a given value of x, advertising expenditures? advertising (z) 1.4 1.6 1.6 2.0 2.0 2.2 2.4 2.6 sales (y) 180 184 190 220 186 215 205 240 I= 1.975 = 202.5 SS. = 1.235 SSy = 51.9 SSyy = 3152 O 1.860 O 2.447 O 1.943 O 2.306

Jun 08, 2022

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A company collected data on its sales revenue and advertising expenditures for its first eight years in business with the results shown. (Units are in millions of dollars). What is the t-value used to...

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