The Number of Animal Experiments in a Country Declined Between

question 3

Multiple Choice

The number of animal experiments in a country declined between 1970 and 1980. The numbers for selected years are shown in the table. Use the method of least squares to find the best-fitting linear model for the data. Let correspond to 1970. Round your coefficients to two decimal places.

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Definitions:

Umami

One of the five basic tastes, characterized by a savory or meaty flavor, and attributed to the presence of glutamates and nucleotides.

Primary Tastes

The fundamental groups of tastes recognized by human taste perception, including sweet, sour, salty, bitter, and umami.

Sweet

A taste sensation often caused by the presence of sugars, perceived as pleasant and liked by most humans.

Olfactory Receptors

Specialized nerve cells in the nose responsible for detecting odors.