Statistics Question

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Statistics Question

Description

Complete the following four hypotheses, using ? = 0.05 for each. The week 5 spreadsheet can be used in these analyses.

  • 1. Mean sales per week exceed 42.5 per salesperson
  • 2. Proportion receiving online training is less than 55%
  • 3  Mean calls made among those with no training is at least 145
  • 4. Mean time per call is 14.7 minutes
  • Using the same data set from part A (attached), perform the hypothesis test for each speculation in order to see if there is evidence to support the manager's belief. Use the Eight Steps of a Test of Hypothesis (attached) guide. You can use either the p-value or the critical values to draw conclusions. Be sure to explain your conclusion and interpret that to the claim in simple terms
  • Compute 99% confidence intervals for the variables used in each hypothesis test, and interpret these intervals.
  • Write a report about the results, distilling down the results in a way that would be understandable to someone who does not know statistics. Clear explanations and interpretations are critical.
Sales (Y)Calls (X1)Time (X2)Years (X3)Type
4817113.05ONLINE
3213916.94NONE
4416515.73ONLINE
4718613.53ONLINE
4118014.02ONLINE
4618412.75ONLINE
3212019.93NONE
4617214.73GROUP
4216113.21GROUP
3314315.43NONE
4218111.54ONLINE
5014816.00NONE
4214017.52GROUP
4119813.22ONLINE
4114917.30ONLINE
4416811.05ONLINE
3612118.02NONE
4714915.81GROUP
3813518.51GROUP
2118518.92ONLINE
6715517.91NONE
4514913.51ONLINE
5219313.75ONLINE
3715918.10NONE
3315215.03GROUP
3117014.34GROUP
4419216.71GROUP
4416512.43ONLINE
3915015.33GROUP
4317412.72ONLINE
4216816.40ONLINE
4917815.13ONLINE
4116417.83GROUP
4019119.05ONLINE
3713210.00NONE
3614015.71NONE
4617114.95ONLINE
4117012.30ONLINE
4915319.03GROUP
4215414.32GROUP
3714213.93NONE
3713016.92NONE
2117717.00ONLINE
3916014.34NONE
4413419.45GROUP
4913114.61GROUP
3513019.44NONE
4618315.44ONLINE
4316914.05GROUP
4115516.02ONLINE
4818213.02ONLINE
3914012.41NONE
4015715.41ONLINE
4816714.83ONLINE
5014415.82NONE
4416812.42GROUP
4317513.65GROUP
3315014.92GROUP
3215517.91GROUP
4616316.62ONLINE
4816214.54GROUP
5618915.03ONLINE
4415315.32ONLINE
3415814.23ONLINE
4316010.94ONLINE
3317317.51ONLINE
4917818.32GROUP
5018914.31ONLINE
5218411.44ONLINE
4517413.62ONLINE
4818813.60ONLINE
3514915.61GROUP
4415914.62GROUP
4416014.82ONLINE
6716618.91GROUP
5117816.51ONLINE
4117813.42ONLINE
4017612.61ONLINE
4513815.32NONE
4115918.82ONLINE
4014514.72NONE
4715116.62GROUP
4818614.21ONLINE
4219413.62ONLINE
4115214.54GROUP
2914519.02NONE
4818811.32ONLINE
3313919.33GROUP
4820112.51ONLINE
4515613.23GROUP
3613118.52NONE
4316117.33ONLINE
4215214.61ONLINE
4917816.42ONLINE
5015715.93GROUP
4215415.31GROUP
4415620.00ONLINE
4517014.21ONLINE
4817017.45ONLINE
3914417.73NONE

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