Respuesta :
Answer:
The analysis that is not useful for evaluating whether the increase in sales is statistically significant is to calculate precision of the prediction.
Step-by-step explanation:
" A sales promotion entails the features via advertising and or a discounted price of a particular product or service"
A local supermarket organized two weeks of promotions to boost sales. The average daily sales before the campaign are $10 000, which becomes $11 000 during the promotion (average over 2 weeks). The analysis below which is not useful for evaluating whether the increases in sales are statistically significant is Monitor sales for a longer period of time.
Statistical analysis helps to use different methods to properly collect data, and future predictions and solutions can be made to enhance the project handled.
For the local supermarket that is organized for two weeks; the following analysis that is useful for evaluating if there is an increase in sales are:
- To check the distribution of sales data: This is because, the sales distribution will allow them to see and identify some certain factors concerning when they are having many sales, which time are those sales occurring, what factors(ads, promotions) led to that sales. So that they can improve on them.
- Inspect for possible outliers in sales date; The impact of possible outliers in sales date is to help to identify data points that are significantly different from the others.
- Calculate the precision of the prediction; This helps them to see how close they are to their observed values. This gives a burning desire to achieve their targeted goals within the span of 2 weeks intervals.
Therefore, we can conclude that the analysis that is not useful for evaluating whether the increases in sales are statistically significant is to Monitor sales for a longer period of time.
Learn more about the statistical analysis here:
https://brainly.com/question/8370917?referrer=searchResults
