Mathematics, 13.08.2020 22:01 cordovatierra16
An article presented data on compressive strength x and intrinsic permeability y of various concrete mixes and cures. Summary quantities are , , , , , and . Assume that the two variables are related according to the simple linear regression model. Round your answers to 3 decimal places. (a) Test for significance of regression using . Choose your answer in accordance to the item a) of the question statement Reject the null hypothesis. (b) Estimate . Enter your answer in accordance to the item b) of the question statement . (c) In this model, what is the standard error of the intercept
Answers: 1
Mathematics, 21.06.2019 16:30
The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 22:40
Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%
Answers: 2
An article presented data on compressive strength x and intrinsic permeability y of various concrete...
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