Could you help me solve this question?

BMI is a person's weight in kilograms divided by the square of the person's height in meters. According to the U.S. Department of Health and Human Services, the mean BMI for U.S. male adults in 2008 was established to be 33.7. A researcher speculates that the mean BMI for all U.S. male adults in 2018 is more than it was a decade ago in 2008. To investigate the researcher's speculation, a study was conducted in 2018 which involved a random sample of 20 U.S. male adults.Daniel, the intern, provides the following conclusion for the test: "Based on the sample results, at a 5% significance level, we can say that the BMI for all U.S male adults in 2018 has increased from the BMI value reported a decade ago in 2008." Now that you have experience with writing conclusions for hypothesis tests, you read this statement and decide that it is not complete. Identify what is missing from this conclusion and provide a correct conclusion