Chart C-5. Fit statistics over time: wireless telephone services, January 2019–December 2022
Month Adjusted R squared Mean squared error (MSE)

January 2019

0.896 0.139

February 2019

0.910 0.131

March 2019

0.908 0.133

April 2019

0.886 0.143

May 2019

0.887 0.141

June 2019

0.885 0.144

July 2019

0.890 0.142

August 2019

0.885 0.134

September 2019

0.881 0.135

October 2019

0.882 0.136

November 2019

0.864 0.134

December 2019

0.872 0.130

January 2020

0.871 0.130

February 2020

0.850 0.136

March 2020

0.846 0.137

April 2020

0.837 0.151

May 2020

0.855 0.146

June 2020

0.868 0.123

July 2020

0.864 0.128

August 2020

0.865 0.146

September 2020

0.866 0.146

October 2020

0.889 0.134

November 2020

0.881 0.139

December 2020

0.878 0.140

January 2021

0.867 0.142

February 2021

0.870 0.139

March 2021

0.861 0.146

April 2021

0.861 0.146

May 2021

0.866 0.144

June 2021

0.865 0.145

July 2021

0.872 0.137

August 2021

0.758 0.206

September 2021

0.767 0.202

October 2021

0.859 0.145

November 2021

0.859 0.145

December 2021

0.850 0.155

January 2022

0.860 0.145

February 2022

0.852 0.149

March 2022

0.847 0.153

April 2022

0.736 0.226

May 2022

0.738 0.233

June 2022

0.738 0.234

July 2022

0.738 0.234

August 2022

0.725 0.230

September 2022

0.729 0.226

October 2022

0.730 0.227

November 2022

0.733 0.227

December 2022

0.829 0.159

Source: U.S. Bureau of Labor Statistics.